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British Rail Class 37

The British Rail Class 37 is a diesel-electric locomotive. Also known as the English Electric Type 3, the class was ordered as part of the British Rail modernisation plan. They were numbered in two series, D6600–D6608 and D6700–D6999.[4]

English Electric Type 3
British Rail Class 37
37076 at Aviemore in August 1978
Type and origin
Power typeDiesel-electric
BuilderEnglish Electric at Vulcan Foundry and Robert Stephenson and Hawthorns
Build date1960–1965
Total produced309
Specifications
Configuration:
 • AARC-C
 • UICCo′Co′
 • CommonwealthCo-Co
Gauge4 ft 8+12 in (1,435 mm) standard gauge
Wheel diameter3 ft 9 in (1.143 m)
Minimum curve4 chains (80 m)
Wheelbase50 ft 8 in (15.44 m)
Length61 ft 6 in (18.75 m)
Width8 ft 10+12 in (2.71 m)
Height12 ft 9 in (3.89 m)
Loco weight100 long tons (102 t; 112 short tons) to 105 long tons (107 t; 118 short tons)
except 37/7 and 37/9 class - ballasted to 120 long tons (122 t; 134 short tons)[1]
Fuel capacity890 imp gal (4,000 l; 1,070 US gal) increased to 1,690 imp gal (7,700 l; 2,030 US gal) on rebuild[1]
Prime moverBuilt: English Electric 12CSVT
37/9: Mirrlees Blackstone MB275Tt or Ruston RK270Tt
GeneratorOriginal:
Main: English Electric EE822, Aux EE911/5C
Rebuilt locos:
Main: Brush BA1005A alternator, Aux: Brush BA606A[1]
Traction motorsEnglish Electric DC traction motors[1]
TransmissionDiesel electric
MU working Blue Star
Train heating37/0: Steam
37/4: Electric Train Heat
Remainder: None
Train brakesVacuum, Dual, or Air
Performance figures
Maximum speed90 mph (140 km/h) or 80 mph (130 km/h) with regeared CP7 bogies.
Power outputEngine: 1,750 bhp (1,305 kW)
Tractive effortMaximum: 55,500 lbf (247 kN)
Continuous: 35,000 lbf (156 kN) @13.6 mph (22 km/h)[2]
Brakeforce50 long tons-force (498 kN)
Career
OperatorsBritish Rail
Colas Rail
EWS
Direct Rail Services
West Coast Railways
Europhoenix
Rail Operations Group
Locomotive Services Limited
NumbersD6700–D6999, D6600–D6608; later 37001–37308
NicknamesTractor, also Syphon, Growler or Slugs[3]
Axle load classRoute availability 5
except subclass 37/7 RA 7
Withdrawn1967–present
Disposition35 preserved, 66 still in service, 1 rebuilt as Class 23, remainder scrapped

The Class 37 became a familiar sight on many parts of the British Rail network, in particular forming the main motive power for InterCity services in East Anglia and within Scotland. They also performed well on secondary and inter-regional services for many years. Many are still in use today on freight, maintenance, and empty stock movement duties. The Class 37s are known to some railway enthusiasts as "tractors",[3] a nickname given due to the similarities between the sound of the Class 37's engine and that of a tractor.

Description

Background

As part of the large scale dieselisation brought about by the British Rail modernisation plan a need was identified for a number of type 3 locomotives of power output 1,500 hp (1,100 kW) to 1,999 hp (1,491 kW). English Electric had already been successful with orders for type 1 and type 4 diesels, and had produced locomotives of similar power for railways in East Africa. A design based on the exported locomotives was put forward and accepted.[5] The design was for a general purpose locomotive and initially found service in British Rail's Eastern Region.[6]

Building

 
D6712 in BR green livery departing Ely in 1971

There was no prototype. British Railways placed an order for forty-two Class 37 locomotives in January 1959.[7] The first was delivered in November 1960; it entered service on 2 December.[8] BR had ordered further Class 37s before the last of the original batch had been completed in mid-1962. The final locomotive was delivered to the Western Region on 9 November 1965.[9] English Electric split the construction between Vulcan Foundry at Newton-le-Willows, and Robert Stephenson and Hawthorns of Darlington.[1] The 309 locomotives produced in total were originally numbered in the range D6700–D6999 and D6600–D6608. The bodywork bears a strong family resemblance to other English Electric designs such as the Class 40 and Class 23 'Baby Deltic'.

Seven orders were placed with English Electric, as follows:[10]

EE order no. Date Total Numbers Works
CCL 1031 27 January 1959 42 D6700–41 Vulcan Foundry
CCM 1114 5 February 1960 37 D6742–68 Vulcan Foundry
D6769–78 Robert Stephenson and Hawthorns
CCN 1239 27 April 1961 17 D6779–95 Robert Stephenson and Hawthorns
CCP 1267 13 December 1961 23 D6796–6818 Vulcan Foundry
CCP 1304 July 1962 100 D6819–28, D6859-68, D6879-98 Robert Stephenson and Hawthorns
D6829–58, D6869-78, D6899-6918 Vulcan Foundry
CCR 1320 January 1964 20 D6919–38 Vulcan Foundry
CCS 1362 February 1964 70 D6939–99, D6600–8 Vulcan Foundry

Duties

Distribution of locomotives,
March 1974[11]
 
CF
ED
GD
HM
IM
LE
MR
SF
TE
TI
Code Name Quantity
CF Cardiff Canton 51
ED Eastfield 19
GD Gateshead 28
HM Healey Mills 9
IM Immingham 16
LE Landore 47
MR March 29
SF Stratford 27
TE Thornaby 50
TI Tinsley 32
Withdrawn (1966) 1
Total built: 309

The class was designed for both passenger and freight work. Many of the original locomotives were fitted with boilers for steam heating. D6700-6754 were fitted with boilers from new, along with D6758, D6775, D6781–D6818, D6875–D6892. D6960-6968 received boilers from D6701-6709 during 1967/68. 37247 was fitted with a boiler in 1977. With the withdrawal of many Type 2 and Type 3 locomotives in the 1980s the 37s were selected as the standard Type 3 and many of the fleet were given a heavy overhaul to prolong their life into the 1990s and beyond. Some were fitted with electrical train heating (ETH) equipment in the 1980s to become the 37/4 sub-class, initially for use on the West Highland Line, the Welsh Marches line and South Wales–Bristol area services and Far North Lines but later seeing use in north/mid Wales and occasionally the West Country. In 2010, they were used on passenger services on the Cumbrian Coast line and Wherry lines.

Rebuilding

A number of locomotives were rebuilt as Class 37/9s in the late 1980s to evaluate Mirrlees and Ruston engines for possible use on a new Class 38 freight locomotive. These locos were heavily ballasted to improve traction and had excellent load-hauling capabilities, but the Class 38, understood to be a 'modular' locomotive based on the approach that gave rise to the Class 58 diesel loco and the proposed Class 88 electric loco, was never built.

Axle load

 
Cab interior of loco no. 37052

The Class 37 has a relatively low axle loading for its size and power. With the withdrawal of most of the smaller types of diesel locomotive, this left it as the only mainline type available in significant numbers for lines with weight restrictions, and for a number of years 37s handled almost all locomotive-hauled services on the West Highland Line, the lines north of Inverness (Far North Line) and in parts of Wales. The Class 37 has Route Availability 5 and this is one of the main reasons it is still in use on the network. Note that class 37/7 and 37/9 have an RA of 7 due to their extra ballast weights.

Regional variations

There are several differences between particular locomotives, some of them easily seen. Western Region Class 37s can be identified by 'cow horns' around halfway up on the outer edge of each end of the lamp brackets. When British Railways took over from the Great Western Railway the use of Great Western lamps continued. Their brackets used an L-shaped upright that was parallel to the direction of travel, unlike the other regions which used transverse brackets. Another difference between the regions is by the nose end headcodes. Lower-numbered, split-box Class 37s were allocated to northern England and east Anglia; centre-box locomotives were almost all allocated to Wales and the south west. After locomotives were transferred between pools in the 1980s they tended to stray from their original depots. Regional decorations included the Highland (Inverness) Stag, the Cockney Sparrow (Stratford) the Cornish lizard (St Blazey) and Eastfield Highland Terrier. All the Cardiff Canton Class 37/4s received Celtic Dragons below the driver's window whilst in large logo blue. Some Scottish locomotives were later fitted with small Saltire flags by their TOPS data panels or on their noses in a similar fashion to the HAA hoppers allocated to Scottish power stations.

British Rail liveries

On delivery, the Class 37s were painted in plain green with a grey roof, the 'late' (post-1956) British Railways crest and a D prefix to their running number. Some locomotives were delivered as the small yellow warning panel was introduced, earlier locomotives being given these panels during works visits. Towards the late 1960s, the yellow was extended to the full height of the nose.

By the 1970s, all locomotives had received all over British Rail blue with a full yellow nose; by 1975 most locomotives had also received their TOPS numbers. Their livery remained the same until the early 1980s when 'Large Logo blue' was introduced. This entailed the yellow nose continuing round to behind the driver's door and up to the top of the windscreen and a full height 'double arrow' logo. These locomotives had the top of the nose painted black to lower the risk of the driver being dazzled by the sun. Freight-allocated examples received a similar livery - the only difference being the blue was replaced by freight grey. In 1987, the Sectors were launched, incorporating a new livery of 'three tone grey'; a light grey lower bodyside, medium grey cantrail and a dark grey roof, along with a bright Sector logo (Coal, Metals, Petroleum, Distribution, General and Construction). In addition a metal double arrow logo was fitted. This livery co-existed with plain blue, large logo blue/grey and the new InterCity and Regional Railways liveries right up to the end of British Rail in 1996.

 
37 891 with Mainline Freight branding at Eastleigh

Some locomotives in the 'sectorised company' pools received Transrail Freight logos or Mainline Freight 'Rolling Balls' over their 3TG (three tone grey) colours, while Loadhaul locomotives were painted orange and black and Mainline locomotives received 'aircraft' blue with silver stripes. Departmental locomotives were initially painted in a plain grey livery, but this didn't find favour and was modified into 'Dutch' grey and yellow livery, similar to that of Nederlandse Spoorwegen. 37 093 was mocked up as a "police" locomotive which pulled over a Class 43 HST power car for speeding in an InterCity 125 advert broadcast in the 1980s.

TOPS renumbering

As with many diesel classes, the TOPS renumbering was implemented in a straightforward manner, with the locomotive numbers remaining in sequence. Thus 6701 became 37001 and D6999 became 37299; while D6600–D6608 became 37300–37308. The remaining locomotive, D6700 became 37119, instead of D6819, which became 37283, the number being unused as D6983 was destroyed in an accident in 1965.[12] As members of the class were altered later in their careers, they were renumbered, some more than once.

D6983 was withdrawn in December 1965 following a fatal collision with a derailed Class 47, number D1671 "THOR", in South Wales, near Bridgend as the result of a landslip. D6983 was the first EE Type 3 to be withdrawn and as a result, the only locomotive in the entire class not to receive a TOPS number. The remains of both locomotives were sold to local scrap merchants, R.S. Hayes, and cut up the following year.[13]

Sub-classes

In the 1980s the Class 37 locomotives were extensively refurbished – from that point 37/0 refers to the original version. The work took place at British Rail Engineering's Crewe Works except for the 37/3 subclass whose bogies were replaced at various depots.[1]

Sub-class Description
37/0 Locomotives which remained unmodified after other sub-classes were created
37/3 Locomotives which were rebogied but not refurbished
37/4 Refurbished, rewired, English Electric generator replaced with Brush alternator, electric train supply (ETS) fitted
37/5 Refurbished, rewired, English Electric generator replaced with Brush Traction alternator
37/6 Locomotives from Class 37/5 further modified with through ETS wiring and RCH jumper cables
37/7 Refurbished, rewired, English Electric generator replaced with GEC G564AZ or Brush alternator,[1] additional weight added
37/9 Refurbished, rewired, English Electric generator replaced with Brush alternator, new engines: Mirrlees MB275Tt or Ruston RK270Tt[1]

Class 37/0

 
37 263 at Didcot

This designation covered all 309 locomotives as built, but with such a large number of locomotives and with two companies involved in the building, there were several differences within this sub-class alone. The most visible external difference was that the first 119 locos (originally) had a "split" headcode box; for these locos the four digit train reporting number was shown in two square boxes, each containing two digits and separated by a pair of connecting doors, designed to allow the train crew to be exchanged while in motion. Later locomotives had a single centrally placed headcode box and also had the horns mounted on the roof, rather than built into the nose of the locomotive. This difference was the reason for the double change in numbers (involving D6700 and D6819) when implementing the TOPS scheme described earlier.

Class 37/3

 
37371 at Eastleigh

There were two incarnations of a 37/3 subclass. The first was a group of 12 Motherwell allocated locos that were fitted with strengthened couplings and modified brake blocks for working the heavy trains to Ravenscraig. These were all renumbered back to their original numbers by the end of 1988.

The second set of locos were rebogied at various depots with the regeared cast frame type 'CP7 Bogie'. Bogies from the English Electric Deltics, Class 50 and Class 37s are largely interchangeable with only modification to traction motor gearing, to 80 miles per hour (130 km/h) in the case of the 37s, and access step positions needing alteration between the classes. The fuel capacity was doubled by using the redundant train heating boiler water tanks but no other changes were made.[14]

Class 37/4

 
BR Class 37/4 37409 Loch Awe at Fort William in 1989

With ETH (Electric Train Heating) replacing 'steam heated' coaches, some of this class received ETH Supply when refurbished at Crewe Works during 1985 and 1986. During this refurbishment, the locomotives also received regeared CP7 bogies and the English electric generator was replaced with a Brush BA1005A alternator.[15] Extensive re-wiring, as well as a full repaint into BR Large Logo was undertaken. The modifications allowed the rebuilt locomotives to work passenger trains all year round, with the 31 strong fleet being split between Wales and Scotland, Scotland receiving the first 25 and Wales the other six.

After the extensive refurbishment, the locomotives were allocated the 37/4 sub-class, following the trend of renumbering 'ETH' fitted locomotives xx/4s, (e.g. 474xx and 314xx).

The next chapter saw the entire sub-class pass to Transrail Freight, which was one of the three regional freight operating companies prior to the privatisation of the entire British Rail network.

Over the years, the locomotives have received a large number of liveries: BR Green, Regional Railways, Trainload Grey, EWS maroon, Transrail Freight, BR Large Logo and Mainline, to name a few.

The Cambrian, North Wales Coast, Rhymney, West Highland, South Wales and West Country all benefited from the use of 37/4s.

Locomotive hauled operations had virtually ceased by the early 2000s, thanks to the widespread introduction of second-generation diesel multiple units and the replacement of loco hauled trains by multiple units, although the sub-class did hold out on the Cardiff–Rhymney trains for Arriva Trains Wales for some years. 37411 and 37425 were specially painted to mark the end of loco-hauled services on the line, in April 2005, these repaints being funded by Arriva.

In late 2010 DB Schenker put all of its remaining 37/4s up for sale, with many examples expected to be sold for scrap. Direct Rail Services (DRS) subsequently bought most of the remaining class 37/4s,[16] for use on nuclear flask traffic. These later found further use in 2018/19 on Cumbrian Coast passenger services and East Anglian passenger services between Norwich and Great Yarmouth/Lowestoft, allowing for multiple units to be cascaded (in the first instance) and covering for accident damaged units (in the second). Between 2019 and early 2020 Colas Rail hired three Class 37s, including 37418 and 37421, to Transport for Wales for use (once again) on peak hour commuter services on the Rhymney line.

Class 37/5

 
37 667, Class 37/5 at Eastleigh

This class were updated in similar fashion to the 37/4 subclass, except that they did not receive electric train heating and some were fitted with Sandite ports. Locomotives previously numbered between 37001 and 37119 (those which had split headcode boxes) were given new numbers from 37501 upwards (curtailed at 37521); those previously numbered between 37120 and 37308 were renumbered from 37699 downwards (curtailed at 37667). Nine locomotives from the first batch and three from the second were later modified for use with the aborted Channel Tunnel sleeper Nightstar project, reclassified 37/6 and renumbered 37601–37612 (see below).

Class 37/6

 
Two Eurostar 37/6 types at Clapham Junction

Eurostar (at the time European Passenger Services) had 12 locomotives modified (all ex-37/5) as Class 37/6, with the intention that they would haul overnight international trains ("Nightstar") over the non-electrified sections of their routes in Britain. However, these services were never introduced, and, in 1997, Eurostar sold six of its locomotives to Direct Rail Services (DRS), with a further three sold in 2000. The remaining three locomotives were retained by Eurostar for a variety of tasks, including driver training, route learning, and for rescuing failed Class 373 units. Once Eurostar moved its operations to its new depot at Temple Mills, its Class 37 locomotives became redundant and they too were sold to DRS in 2007. DRS has subsequently sold some of them, Europhoenix being the principal recipient. The Europhoenix 37/6s are used on test trains and have been used to haul EMUs to and from works and to rail-connected scrapyards.[citation needed]

Class 37/7

 
Loadhaul liveried 37/7 type

The Class 37/7 sub-class was intended primarily for heavy freight work, with extra ballast and modified gearing.

As part of the major refurbishment scheme of the Class 37 locomotives in the 1980s, another freight dedicated fleet of 44 Class 37s was created, the Class 37/7 subclass, which was very similar to the 37/5 subclass except for plating over of a bodyside window and the addition of a ballast weight to give extra 'pulling power' when hauling heavy freight trains, such as the metals trains in South Wales. Again, like the 37/5s, there were two batches completed; from phase 1 and phase 2 Class 37/0 locos. The batch numbered 37701 upwards (curtailed at 37719) were from phase 1 build locos and have the flush front ends and nose-mounted horns, whilst the batch numbered from 37899 downwards (curtailed at 37 883) were rebuilds from phase 2 locos, having the central headcode box (plated over) and roof-mounted horns. A further batch was created; locos numbered 37796–37803 had a different type of electrical equipment fitted (from Brush), as part of a trial, and differ from the other locos in the subclass internally.

In British Rail use the sub-class were particularly common in South Wales on heavy coal and metals work. They were particularly adept at working coal trains up and down the short but steeply graded branch lines around Swansea and Cardiff, to collieries such as Tower Colliery, Coedbach and Cwmbargoed. They operated merry-go-round trains of 32-ton HAA air-braked hoppers, usually numbering 32 wagons, between collieries, washeries, open cast mines and disposal points to power stations such as Aberthaw and occasionally further afield.

Their use on Metals Sector trains, usually from Llanwern, Port Talbot or English metal works such as Scunthorpe, saw them hauling very heavy trains between docks, works and purchasers in Britain. Indeed, the use of three Class 37/0 locomotives on Llanwern-Port Talbot Docks steel trains (the heaviest on the British rail network at 3,300 long tons (3,400 t) was soon abandoned when Class 56s became available, requiring only two locomotives. Cardiff had a large allocation of 37/7s, some waiting on standby, ready for a call from the mills requiring more wagons to handle any extra traffic. Eventually this work was taken over by Class 56s and Class 60s. This Metals traffic would also become the domain of the sub-class 37/9, which to all intents and purposes was a 37/7 but with a different prime mover.

When EWS introduced its 250 Class 66s, from 1998, many of the sub-class were put into store. Some have since been involved in construction work in France and Spain building new high-speed lines. A total of 15 were sent to Spain and an additional two were sent to Italy. Most subsequently returned to the UK, although a handful were broken up abroad.

Class 37/9

 
37906 at Cardiff Central in July 1991.

In 1986, four Class 37s, numbers 37150/148/249/124 respectively, were converted to test the Mirrlees MB275T engine[17] and Brush alternator for the proposed Class 38, and were numbered 37901–904. These were followed in 1987 by 37905/6, converted from 37136/206, which were fitted with the alternative pairing of a Ruston RK270T engine and GEC alternator.[17] All six locomotives were fitted with new bogies, and had ballast weights to increase their overall weight to 120 tons. Although intended as a testbed for the proposed Class 38, the two power units fitted were those considered for the Class 60, which was eventually delivered with an enlarged version of the Mirrlees MB275T. They all had modifications similar to that of Class 37/7, including new nose grilles, removal of the central bodyside windows and 4 fire extinguisher ports. However, 37901-904 had a heavily modified central roof section, consisting of flat panels rather than the curved sheets of the original. All 6 had a new exhaust port fitted, replacing the two of the original design.

All six Class 37/9s were delivered in Railfreight Grey livery, later receiving 3TG metals sub sector livery, and operated as part of the British Rail Heavy Metals sector, being based in South Wales and hauling trains normally rostered for the much more powerful Class 56 such as the Port Talbot Steelworks - Llanwern Iron Ore tipplers.[18] During the late 1990s, use of the Class 37/9s declined due to availability of the newer and more powerful Class 66s and problems maintaining such a small number of non-standard locos, with all six officially designated as being in storage in 1999.

This was not, however, the end of the sub-class. In July 2000, 37906 was designated as part of the EWS heritage fleet but has since been sold into preservation, joining 37901 and 37905. 37902 was sold to Direct Rail Services in 2003, but was scrapped and cut up in 2005 after a review by DRS. 37904 was cut up at CF Booth's in Rotherham in November 2004 and 37 903 was scrapped at Crewe Diesel TMD in April 2005. 37901 has since been sold to Europhoenix and returned to service (complete with its Mirrlees Pioneer name). 37905 was purchased by UK Rail Leasing and is presently stored at its Leicester depot. In October 2019, 37906 Battlefield Line Railway was sold.

Operations

British Rail

During their service on British Rail, the Class 37s found use on both passenger and freight workings, being one of the mainstays of the BR fleet. While freight use was widespread, passenger work was predominantly in the Eastern Region with use on London - Norwich and Cambridge/King's Lynn services, the latter through to the 1980s and in West Wales on services west of Swansea to Fishguard Harbour, Milford Haven and Pembroke Dock. Darnall's (later Tinsley's) 37s were used on various passenger services in the Sheffield area, notably the Pullman service to London King's Cross. Hull Dairycoates' 37s were used on local stopping services as well as on King's Cross portions down to Doncaster.

In the early 1980s, the remaining steam-heat capable locomotives gravitated to Scotland, eventually replacing both Class 27s on the West Highland Line and Class 26s on the Far North and Kyle of Lochalsh lines. However, their use became difficult once ETH-fitted Mark 2 and Mark 3 coaches moved north. The sleeper trains were particularly troublesome. To this end, steam-heat 37/0s were coupled to ETHELs (Electric Train Heating Ex-Locomotive - essentially Class 25s with isolated traction motors that provided Electric Train Heating) which provided the necessary power to run them.

Class 37s were subject to several modifications during their time in service. One short-lived experiment involved 37 175 receiving CP5 'self-steering bogies' designed to reduce excess wear and noise on the tightly-curved West Highland line to Fort William and Mallaig. This however, proved too expensive to be practicable. Some Inverness allocated Class 37s received 'car lights'; these were essentially spotlights that made them more visible on the sharply curved Scottish branches, especially to users of level crossings. These were eventually either removed or superseded by the modern 'sealed beam' lights that became compulsory from 1993. Other classes fitted with these or similar lights were Class 24s, Class 26s, Class 47s and a solitary Class 86 86 225.

The other notable use was of nominally freight locomotives to Aberystwyth over the Cambrian line, in this case taking over from Class 25s on the holiday trains.

From 1985, the 37/4 subclass took over on the Scottish lines although the use of original 37/0s continued in the summer when train supply was not required. The Welsh allocation in turn took over from the 37/0s on the Cambrian as well as from Class 33s on CreweCardiff workings. They were also used on the Bristol–Cardiff/Swansea leg of services from Portsmouth Harbour and later on the Heart of Wessex line.

Over time they were displaced from most passenger work by new build DMUs such as the Sprinter units, though they still found work in the summer and on secondary services from time to time through the 1990s as traffic demand required. This saw use both on the North Wales Coast and, most remarkably, Cardiff–Rhymney local services through to 2006. In Scotland after being displaced from the West Highland and far north routes, 37/4s were used on two diagrams on the InvernessEdinburgh route for several years as well as being used to Kyle of Lochalsh in the summer and on Inverness–Aberdeen services. The final daily work in Scotland was the Fort William Caledonian Sleeper, this ending in June 2006.

Their freight work similarly reduced, being displaced by higher powered locomotives such as the Class 56 and Class 58 locomotives on coal trains, though they continued on other cargos such as oil tankers for longer.

After privatisation

In the 1980s, many locomotives were refurbished, which has contributed to the Class 37 fleet becoming one of the longest surviving classes on British railways. However, the introduction of new Class 66 locomotives has meant many 37s have been withdrawn or scrapped. English Welsh & Scottish and Direct Rail Services operated small fleets, with several other examples also operated by spot-hire companies. However, second-hand Class 37s have also proved popular in the export market, with some examples operating in Spain and France, serving the construction of those countries' high-speed railway networks. As of 2022, numerous examples of the class are still in mainline service, despite all of them being more than fifty-seven years old.

Colas Rail

Colas Rail owns ex-preservation 37057, 37099, 37116, 37175, 37219, 37254, 37421, all currently operational.

Additionally, Colas purchased 37146, 37188 and 37207 with the intention of returning them to main line duty but, as of March 2020, 37146 is unlikely to receive its intended overhaul and is expected to be sold or used as a parts donor. 37188 was broken up at UK Rail Leasing's Leicester depot, in 2019.

Between July 2019 and March 2020, three Colas Rail Class 37s (Nos. 37025, 418, 421) operated peak time loco-hauled services on the Rhymney line with eight Mark 2 carriages,[19] the first passenger loco-hauled services on the route since 2005, due to a lack of rolling stock caused by the two-year delay on the Class 769 that was scheduled to run services on the route.[20]

Direct Rail Services

 
Class 37/0 in Direct Rail Services livery at Crewe Works in June 2003)

Direct Rail Services (DRS) has a variety of Class 37s operational and others stored. DRS originally purchased and operated a mix of class 37/0s, 37/4s, 37/5s and 37/6s . Most of the DRS 37s were used on nuclear flask services coming from a host of places including Hunterston, Torness, Heysham, Hartlepool, Sizewell, Bridgwater, Valley, Dungeness, but are now being replaced by Class 68s. These are empty or full FNA wagons often containing spent nuclear fuel. Following a review of traction requirements and delivery of its new Vossloh/Stadler UK Light Class 68 diesels and Stadler UK Dual Class 88 bimodes, DRS has stored, withdrawn or sold most of its Class 37 fleet, apart from the 37/4s.

In July 2016, 37424 was renumbered 37558 and named Avro Vulcan XH558.[21][22]

DRS Class 37s were hired to power passenger services on the Wherry lines (Norwich to Great Yarmouth/Lowestoft) for Greater Anglia between June 2015 and September 2019, due to a shortage of diesel multiple units, as a result of two serious accidents. Until December 2018 they also hauled passenger services on the Cumbrian Coast line on behalf of Northern Rail (until 2016) and then its successor, Northern.

EWS/DB Schenker

 
EWS maroon 37401 at Fort William
 
37670 in DB Schenker livery at Weymouth

EWS usually used Class 37s in pairs, for freight workings. Additionally EWS used the Class 37s on railtours or charter hire to train operating companies. For example, in 2005 Arriva Trains Wales used 37/4 haulage on the Rhymney valley line, from a pool of four locomotives, these locomotives being 37405 (EWS livery), 37411 (BR green livery), 37419 (EWS livery) and 37425 (BR Large Logo). 37419 replaced 37408 Loch Rannoch, which was involved in a collision with parked stock at Rhymney sidings, which was suspected to be caused by vandals. 37408 suffered extensive damage and was written off at Toton TMD with its power unit removed and used to revive 37422. Its body was later scrapped at European Metal Recycling, Kingsbury, Warwickshire.

By mid-2008, only three EWS Class 37s were still in regular use on the mainline (37401, 417, 422). 37422 was placed in WNTS tactical store pool in September leaving only 37 401 and 417 in traffic. On 16 December, 37 417 suffered serious engine failure and was sent to Eastleigh for storage, resulting in 37401 becoming the only Class 37 to remain in traffic into the new DB Schenker era.

DB Schenker had one operational Class 37/4, 37401, at the time of its rebranding from EWS on 1 January 2009. DB Schenker also had hired locomotives for temporary duties, such as 37 423 from Direct Rail Services (DRS) to cover for failed 37417. DB Schenker 37401 (and DRS's 37 423) were on snowplough duty at Inverness for the winter months. 37401, DB Schenker's sole operational English Electric Type 3 at the time, was reported sounding rough and was later stored, although this did not last long, as it was soon sent to Toton TMD for repairs along with 37406 The Saltire Society.

37401, DB Schenker's most reliable Class 37, was repaired and returned to service. 37406 was returned to service, failing on its first working. 37670 was also returned operational.

37419 was prepared for a return to traffic and repainted into DB Schenker livery, however its long time in store did not help its power unit and it failed with a serious engine fault on its trial run. The locomotive is now operational with DRS.

DB Schenker had the largest route for railhead treatment trains for Autumn 2009 and required Class 37 haulage due to their route availability. Much speculation was surrounding the return of several Class 37s, however DB Schenker was eventually given clearance from Network Rail to use Class 66s and 67s on the routes instead, resulting in the Class 37 plan being ditched despite several of the machines having their air horns moved onto the nose to resolve clearance problems.

Reliability problems plagued 37670 during its short time in traffic and the loco was eventually stored unserviceable.

With the storage of 37670, this meant that (once again) 37401 was the sole operational Class 37 in active service under DB Schenker. To take the strain off 37401, 37425 Pride of the Valleys was fitted with OTMR safety equipment and was returned fully operational. The locomotive retained in BR blue large logo livery, however (like 37670) it was also plagued with unreliability.

As of summer 2010, DB Schenker Rail UK ceased using Class 37s.

In June 2013, DB Schenker offered six Class 37s for sale: 37703, 37714, 37716, 37718, 37800 and 37884. These had been stored out of use at Dollands Moor after returning from mainland Europe, where they had been working on the construction of a new high speed line.[23] 37703 went on hire/loaned (but still owned by Direct Rail Services) to the Scottish Railway Preservation Society, 37 703/714/716/718 were bought by Direct Rail Services. 37718 was scrapped at CF Booth, Rotherham in July 2015. 37800 and 37884 were bought by Europhoenix and once restored to working order, went on long term hire to Rail Operations Group in a dual Europhoenix/ROG livery.

West Coast Railways

 
West Coast Railways 37706 approaching Northam Junction

West Coast Railways (WCR) purchased four locomotives from Ian Riley Engineering in 2004. The two operational locomotives (nos. 37197 and 37261) were used on charter trains or as standby locomotives for The Jacobite steam-hauled excursion services from Fort William to Mallaig during 2005. These two, along with non-operational 37423, have since been sold to DRS. The fourth (no. 37 235) was for spares.

In late 2007, WCR purchased several non-operational Class 37/5 and Class 37/7s from EWS: nos. 37517, 37668, 37676, 37685, 37706, 37712 and 37710. Of the acquired locomotives 37710 will be used as a source of spares, 37676 and 37712 were the first two returned to mainline. 37676 was named Loch Rannoch at a special event in Carnforth Steamtown. 37712 suffered a fire on an empty coaching stock move and was subsequently stored. It is known that major work will need to be done on 37712, however demand exists for chartered Class 37s.

By the end of 2019, WCR had seven Class 37s running in service: nos. 37516, 37518, 37668, 37669, 37676, 37685, 37706 with nos. 37710 as a spares donor and 37517 and 37712 stored.

Locomotive Services Limited

Since 2017 Locomotive Services Limited (LSL) began to acquire a number of class 37s to use alongside its own fleet of BR Class 47s. As of February 2020 LSL has four on its books and running in service: nos. 37190, 37521, 37667 and 37688. Not all of these are owned by LSL, as some are hired in by the company from their owners, for use on LSL-run trains.

Rail Operations Group

 
ROG 37 884 hauling class 313 units through Newport

Rail Operations Group (ROG) leases six Class 37s (37510, 37601, 37608, 37611, 37800, 37884) from Europhoenix for frequent moves of passenger stock. These have been modified to be able to couple with and operate the brakes on various EMU classes without the need for translator vehicles.[24]

Operators

Summary

Fleet 2020 of mainline registered locomotives (excluding preserved railways).[25]

Owner Number Numbers Notes
Colas Rail 11 37025*, 37057, 37099, 37116, 37175, 37219, 37240, 37254, 37418*, 37421 *Preserved on hire to Colas.
Direct Rail Services 20 37038, 059*, 069*, 218, 259, 402, 407, 419, 423–425, 602, 605*, 716. Stored; 401, 405, 409, 422, 602, 606 37703 on loan to Bo'ness & Kinneil Railway

*37059, 069 and 605 on loan to Loram UK.

Europhoenix 9 37510*, 601*, 608*, 611*, 800*, 884*, 901. Stored 37146, 207. *Hired to Rail Operations Group. 37670 was cut up on 9 March 2018; 37188 was cut up on 24 July 2019.
Harry Needle Railroad Company 3 37607, 610, 612 37610, 612 hired to Colas. HNRC were originally tasked with locating and overhauling class 37s for Colas.[26]
Locomotive Services Limited 7 37190, 521, **603-604, **609,[27] 667, 688* * On long-term lease from D05 Preservation Ltd.
Network Rail 4 97301 (37100), 97302 (37170), 97303 (37178), 97304 (37217). ERTMS fitted for Cambrian Lines
UK Rail Leasing 1 37905
West Coast Railways 11 37516, 518, 676, 668*, 669*, 685, 706. Stored; 37165*, 517*, 710*, 712. *Spares donors. *37668 and 669 fitted with Hitachi ERTMS/ETCS Equipment for Cambrian Lines in 2015. Not yet used alone on Charters over the line.[28][29]
Total 67

Fleet List

Accidents and incidents

  • On the night of 16–17 December 1965, D6983 while hauling a train was in collision with a derailed freight hauled by D1671 Thor near Bridgend, South Wales. The driver and second man of D1671 died, and damage to both locomotives was extensive enough that even though each locomotive was barely a year old, they were withdrawn and eventually scrapped. D6983 was the first Class 37 withdrawn and the only one of the class not to be renumbered.
  • In January 1988, locomotives No. 37671 and 37672 were hauling a freight train that was diverted into a siding at Tavistock Junction, Devon due to a pointsman's error. The train collided with a wagon, pushed it through the buffers and was derailed.[30]
  • Some locomotives suffered nose-end damage through minor collisions. As a result, a number of Class 37/0 variants were rebuilt with the split-headcode boxes that were a feature of the series 1 build replaced by series 2 style central headcode panels.
  • On 12 May 2014, locomotive 37198, stored by Network Rail on the Great Central Railway and coupled to a Post Office Sorting Van, ran away for 1.8 miles (2.9 km) due to an ineffectively placed wheel scotch. It then struck the end vehicle of a rake of five Mark 1 coaches.[31]

Departmental

Network Rail ERTMS project

Network Rail restored four Class 37s as part of the European Rail Traffic Management System (ERTMS) trial project on the Cambrian Line. The site of the restoration was the Barrow Hill Roundhouse, where ex-HNRC locomotives 37100, 37170, 37178 and 37217 were taken in. The restored Class 37s for ERTMS use were re-designated as Class 97/3, numbered 97301, 97302, 97303 and 97304.[32]

The class was chosen because of its original fitment with both air and vacuum braking, a feature which will allow them to pull both modern freight trains as well as special enthusiast trains. The main work of the locomotives is to pull on-track machines (such as tampers) through the ERTMS section.

The 97/3s are based at the newly constructed Coleham Depot for the duration of the ERTMS testing on the Cambrian Line, thereafter they are used to pilot trains not fitted with the ERTMS signalling system. They are also used to work Network Rail test trains on other parts of the network when not required for ERTMS testing.

These locos were effectively refurbished, having been completely stripped down to bare steel, with reconditioned engines, somewhat updated cabs, all new signalling systems installed (ERTMS in this instance) and extensive re-wiring.

97302, 303, and 304 all remain operational as of August 2022. 97301 is currently stored at Derby RTC.

Preservation

 
37901 Mirrlees Pioneer

Class 37 locomotives have proved to be very popular, with many examples saved for preservation on heritage railways as well by enthusiast groups. Notable examples saved include the first-built locomotive, No. D6700, and the last built locomotive 37308.

A number of the class have been sold back out of preservation to mainline operators including both Ruston-engined prototypes Nos. 37905/6. One locomotive, 37372, has been procured by a group called the Baby Deltic Project, for conversion into a replica of a Class 23 Baby Deltic.[33]

Pre
TOPS
Post
TOPS
Final Name Owner Location Notes or livery
D6607 37307 37403 Isle of Mull Privately owned Bo'ness and Kinneil Railway BR Blue Large Logo.
D6608 37308 37274 Dean Forest Railway[pre 1] Sky Blue undercoat
D6700 37119 37350 (National Railway Museum) National Railway Museum Great Central Railway[pre 2] First locomotive of class built.
BR Green
D6703 37003 no name plates currently carried Class 37 Locomotive Group.[pre 3] Mid Norfolk Railway (currently at UKRL Leicester) BR Blue

Currently undergoing major overhaul at UKRL Leicester as of August 2017.

D6709 37009 37340 English Electric Preservation Nottingham Heritage Railway Undergoing restoration. BR Blue
D6723 37023 - (Stratford) Privately owned Pontypool & Blaenavon Railway Undergoing restoration. BR Blue Large Logo.
D6724 37024 37714 Cardiff Canton Heavy Tractor Group Great Central Railway Trainload Metals livery with depot plate "Cardiff Canton".
D6725 37025 - Inverness TMD[pre 4] The Scottish Thirtyseven Group[pre 5] Hired to Colas BR Blue Large Logo. Restored in 2005. returned to mainline use 2016.[pre 4]
D6729 37029 - Privately owned Epping Ongar Railway BR Green, small warning panel.
D6732 37032 37353 Mirage Privately owned[pre 6] / Anglia type three association[pre 7] North Norfolk Railway BR Green. In Service.[pre 7]
D6737 37037 37321 (Gartcosh) Devon Diesel Society[pre 8] South Devon Railway BR Corporate blue. Nameplates now removed.
D6742 37042 - Eden Valley Railway "Almost Runnable" EWS Livery
D6775 37075 - Privately owned Keighley and Worth Valley Railway 3TG unbranded
D6797 37097 - Old Fettercairn Caledonian Railway Diesel Group[pre 9] Caledonian Railway[pre 10] Under Overhaul[pre 10] BR Blue
D6808 37108 37325 Privately owned Crewe Heritage Centre Under restoration. Dutch undercoat
D6809 37109 - Privately owned, donated by EWS. East Lancashire Railway BR Blue
D6823 37123 37679 Privately owned Burton Wagon Works - Nemesis Currently undergoing long-term restoration. Railfreight 3 Tone Grey: Unspecified Sub-Sector
D6842 37142 - Bodmin and Wenford Railway[pre 11] Under overhaul
D6852 37152 37310 (British Steel Ravenscraig) Privately owned[pre 12] Peak Rail[pre 12] Large Logo Blue, in working order (Sept. 2006)[pre 12]
D6869 37169 37674 St Blaize Church 1445–1995 Privately owned Strathspey Railway Railfreight Red Stripe, operational (as of November 2014)
D6898 37198 - Darlington Borough Council Head of Steam Static display. Donated to the museum by Network Rail.[34] BR Green.
D6905 37205 37688 Great Rocks. DO5 Ltd Locomotive Services Limited BR railfreight construction
D6906 37206 37906 Battlefield Line Railway With Ruston RK270T engine. Railfreight livery[pre 1]
D6915 37215 - The Growler Group [1] Gloucestershire Warwickshire Railway[pre 13] In working order 1998.[pre 13]
D6916 37216 - (Great Eastern) Private Pontypool and Blaenavon Railway[pre 14] Mainline Blue livery. Undergoing restoration to BR Green
D6927 37227 - Chinnor and Princes Risborough Railway Operational
D6948 37248 - (Midland Railway Center/Loch Arkaig) Privately owned - in custodianship of 'The Growler Group' [2] Gloucestershire Warwickshire Railway BR Green.
D6950 37250 - Privately owned Wensleydale Railway Operational from April 2019 after five-year overhaul. Dutch civil engineers livery.[pre 15]
D6955 37255 - Privately owned[pre 16] Burton, Nemesis[pre 16] Civil Engineers.
D6961 37261 - (Caithness) Privately owned Bo'ness and Kinneil Railway
D6963 37263 - Privately owned Telford Steam Railway BR Departmental Grey
D6964 37264 - Privately Owned North Yorkshire Moors Railway BR Large logo Blue
D6971 37271 37418 (An Comunn Galdhealach/Pectinidae/East Lancashire Railway) Privately owned - Hired to Colas East Lancashire Railway Operational. BR Blue Large Logo.
D6975 37275 - (Stainless Pioneer/Oor Wullie) Dartmouth Steam Railway Operational. BR Blue
D6994 37294 - Embsay and Bolton Abbey Steam Railway BR Blue

Models

In 1965 Hornby Railways launched its first version of the BR Class 37 in OO gauge.[35]

See also

References

  1. ^ a b c d e f g h . The Railway Centre. Archived from the original on 26 September 2013. Retrieved 25 March 2014.{{cite web}}: CS1 maint: unfit URL (link)
  2. ^ "Locomotive Database - BR Class 37 Technical Data". Auran.com. Retrieved 25 March 2014.
  3. ^ a b . Rodge.force9.co.uk. Archived from the original on 30 January 2010. Retrieved 25 March 2014.
  4. ^ "37 Co-Co". BRDatabase.
  5. ^ "Class 37 English Electric Type 3 : kentrail.co.uk (Background to original order)". kentrail.co.uk. Retrieved 25 March 2014.
  6. ^ 1,750HP Diesel-Electric Locomotives : New British Railways standard in type 3 power range (Copy of original English Electric technical pamphlet giving technical specifications of the original design). 4 July 2010 at the Wayback Machine
  7. ^ Clough 2009, p. 86
  8. ^ Clough 2009, p. 87
  9. ^ Clough 2009, p. 88
  10. ^ Clough 2009, pp. 86–88
  11. ^ British Railways Locoshed Book 1974 edition. Shepperton: Ian Allan. 1974. pp. 25–28. ISBN 0-7110-0558-3.
  12. ^ ENGLISH ELECTRIC CLASS 37 Renumbering the type 3s 28 June 2008 at the Wayback Machine
  13. ^ Morrison, Brian (1981). The Power of the 37s. Oxford: Oxford Publishing Co.
  14. ^ Rolling stock : class 37, English Electric/BR thejunction.org.uk
  15. ^ "The European Railway Picture Gallery Class 37/4 data sheet". Railfaneurope.net. 13 May 1965. Retrieved 25 March 2014.
  16. ^ Rail Express April 2011
  17. ^ a b "Enter the Super 'Syphons'". Rail Enthusiast. No. 63. EMAP National Publications. December 1986. pp. 55–57. ISSN 0262-561X. OCLC 49957965.
  18. ^ Banks, Alan (December 2007). "Masterclass : BR Class 37/9s". Model Rail. No. 111. Peterborough: EMAP active Ltd. pp. 18–24.
  19. ^ "54-year-old loco drafted in to cope with demand in the Rhymney Valley". ITV News. 3 July 2019. Retrieved 22 March 2020.
  20. ^ "Class 37s to stay in Wales into 2020?". www.railmagazine.com. Retrieved 22 March 2020.
  21. ^ "Welcome to a 'new' mainline locomotive - Avro Vulcan XH558". Vulcan to the Sky Trust. Retrieved 4 August 2016.
  22. ^ "DRS Open Day 2016 - A Great Success". Direct Rail Services. Retrieved 4 August 2016.
  23. ^ "More 1960s redundant Class 37 diesel locomotives put up for sale by DB Schenker". Rail.co.uk. Retrieved 25 March 2014.
  24. ^ . Rail Operations Group. Archived from the original on 22 October 2019. Retrieved 22 October 2019.
  25. ^ . Archived from the original on 7 July 2007.
  26. ^ "Golden oldies continue to play their tune".
  27. ^ DRS locomotive tender results revealed: HNRC and LSL snap up 20s, 37s and 57s Rail Express issue 309 February 2022 page 24
  28. ^ "Class 37/5 Locomotive Upgrades".
  29. ^ "Obtaining Operational Authorisation for a European Standard Railway Signalling System in the UK : Hitachi Review".
  30. ^ Earnshaw 1993, pp. 39, rear cover.
  31. ^ "Runaway and subsequent collision near to Loughborough Central station, Great Central Railway" (PDF). Rail Accident Investigation Branch. 21 May 2015. Retrieved 12 November 2020.
  32. ^ Class 97 Status 13 February 2009 at the Wayback Machine wnxx.com, retrieved on 13 September 2008
  33. ^ The Project - The Baby Deltic Project
  34. ^ Edgar, Bill (12 August 2021). . The Northern Echo. Newsquest. Archived from the original on 13 August 2021. Retrieved 13 August 2021.
  35. ^ "Hornby - BR Class 37 (Type 3) 1965". Hornby Railways Collector Guide. Retrieved 31 January 2020.

Preserved locomotives

  1. ^ a b Fleet status :UK locomotive database - subsection "31-37" 20 October 2007 at the Wayback Machine wnxx.net
  2. ^ "National Railway Museum Class 37 to go back in traffic with loan move". National Railway Museum. Science Museum Group. 16 February 2022. Retrieved 19 March 2022.
  3. ^ "Class 37 Locomotive Group". C37lg.co.uk. Retrieved 25 March 2014.
  4. ^ a b Scottish Railway Preservation Society Diesel Group: 37025 14 October 2008 at the Wayback Machine srpsdiesel.com
  5. ^ Scottish 37 Group 7 February 2007 at the Wayback Machine
  6. ^ 37032 (D6732) 31 May 2009 at the Wayback Machine preserved-diesels.co.uk
  7. ^ a b Class 37 D6732 (37032) 18 August 2008 at the Wayback Machine Midland and Great Northern joint railway society mandgn.co.uk
  8. ^ BR Co-Co D6737 (37 037 Loch Treig) 28 January 2010 at the Wayback Machine southdevonrailway.co.uk
  9. ^ 37097 "Old Fettercairn" 20 November 2008 at the Wayback Machine crdg.co.uk
  10. ^ a b Caledonian Railway subsection Stocklist caledonianrailway.co.uk
  11. ^ 37142 5 July 2008 at the Wayback Machine bodminandwenfordrailway.co.uk
  12. ^ a b c 37152 peakraildiesels
  13. ^ a b Gloucester Warwickshire Railway - Locomotives (subsection 'diesel') 27 March 2009 at the Wayback Machine gwsr.com
  14. ^ DIESEL LOCOMOTIVES AT BLAENAVON 19 August 2008 at the Wayback Machine pontypool-and-bleanavon.co.uk
  15. ^ Chapman, Hannah, ed. (14 June 2019). "Comment & Opinion". Darlington & Stockton Times. No. 24–2019. p. 21. ISSN 2516-5348.
  16. ^ a b Taylor, Paul. . Archived from the original on 24 June 2012.{{cite web}}: CS1 maint: unfit URL (link) gcrailway.co.uk

Sources

  • Clough, David N. (August 2009). British Rail Standard Diesels of the 1960s. Hersham: Ian Allan. ISBN 978-0-7110-3373-3. 0908/B1.
  • Earnshaw, Alan (1993). Trains in Trouble: Vol. 8. Penryn: Atlantic Books. ISBN 0-906899-52-4.
  • Marsden, Colin J. (1981). Motive power recognition:1 Locomotives. Shepperton: Ian Allan Ltd. ISBN 0-7110-1109-5.
  • Preedy, Norman E; Ford, H L. BR Diesels in Close-Up. Truro: D Bradford Barton Ltd.
  • Williams, Alan; Percival, David (1977). British Railways Locomotives and Multiple Units including Preserved Locomotives 1977. Shepperton: Ian Allan Ltd. ISBN 0-7110-0751-9.

Further reading

  • Clough, David N.; Rapson, D.I. (1991). Locomotive Recognition: Class 37s. Ian Allan. ISBN 9780711019195. OCLC 26632324.
  • Collins, Michael J. (1984). Class 37s at Work. London: Littlehampton Book Services Ltd. ISBN 9780711014473. OCLC 14931264.
  • Derrick, Kevin (2011). Looking Back At Class 37 Locomotives. Strathwood. ISBN 9781905276240.
  • Derrick, Kevin (2015). Syphon Salute - 50 Years of Class 37s. Strathwood. ISBN 9781905276752.
  • Loader, Martin (1998). Class 37 Photo File. Vanguard Publications. ISBN 9781900872027. OCLC 655247051.
  • Marsden, Colin J.; Fenn, Graham B. (1988). British Rail Main Line Diesel Locomotives. Sparkford: Haynes. pp. 146–155. ISBN 9780860933182. OCLC 17916362.
  • McManus, Michael. Ultimate Allocations, British Railways Locomotives 1948–1968. Wirral. Michael McManus.
  • Meskell, Nick (2006). Class 37s in South Wales. Blackpool: Train Crazy Publishing. ISBN 9780954803575. OCLC 171537608.
  • Meskell, N.J. (2004). Scottish Class 37s. Vol. One - The Steam Heat Years. Blackpool: Train Crazy Publishing. ISBN 9780954803513. OCLC 190776403.
  • Meskell, N.J. (2005). Scottish Class 37s. Vol. Two. Blackpool: Train Crazy Publishing. ISBN 9780954803544. OCLC 190776403.
  • Meskell, N.J. (2007). Scottish Class 37s. Vol. Three - The 1990s. Blackpool: Train Crazy Publishing. ISBN 9780954803582. OCLC 190776403.
  • Oakley, Michael (1979). BR-EE Class 37 diesel electrics. Truro: Barton. ISBN 9780851533629. OCLC 16499594.
  • Shannon, Paul (2005). Rail Portfolios: Class 37. Hersham: Ian Allan. ISBN 9780711030978. OCLC 58554935.
  • Shannon, Paul (1990). The 37s-Second Series. Shepperton: Ian Allan. ISBN 9780711019317. OCLC 60085212.
  • Siviter, Roger (1989). 37s in the Highlands. Runpast Publishing. ISBN 9780946184521. OCLC 20691702.
  • Vaughan, John (2007). Diesel Retrospective: Class 37. Hersham: Ian Allan. ISBN 9780711032002. OCLC 85897919.
  • Vehicle Diagram Book No. 100 for Main Line Diesel Locomotives (PDF). Barrowmore MRG. Derby: British Railways Board. October 1984. pp. 19–22, 36–37, 92–98 (per pdf).
  • Walker, Andrew (2016). Class 37 Locomotives. Amberley Publishing. ISBN 9781445657370. OCLC 934603454.
  • Doel, Peter (December 1981 – January 1982). "Howay the 37s!". Rail Enthusiast. EMAP National Publications. p. 60. ISSN 0262-561X. OCLC 49957965.
  • Kelly, Peter (September 1982). "Rolling Stones!". Rail Enthusiast. EMAP National Publications. pp. 18–21. ISSN 0262-561X. OCLC 49957965.
  • Cowley, Ian; Hardinge, Graham (October 1986). "The Great Eastern Class 37s: The First 25 Years". Rail Enthusiast. No. 61. EMAP National Publications. pp. I–XVI. ISSN 0262-561X. OCLC 49957965.
  • Clough, David (5–18 October 1989). "6 of the best". RAIL. No. 106. EMAP National Publications. pp. 34–37. ISSN 0953-4563. OCLC 49953699.
  • Dunn, Pip (23 April – 6 May 1997). "All in a day's work: Class 37/4". RAIL. No. 303. EMAP Apex Publications. pp. 22–26. ISSN 0953-4563. OCLC 49953699.
  • Dunn, Pip (16–29 July 1997). "Probably the best locomotive in the world!". Rail. No. 309. EMAP Apex Publications. pp. 40–45. ISSN 0953-4563. OCLC 49953699.
  • Dunn, Pip (30 July – 12 August 1997). "Re-birth of a classic". Rail. No. 310. EMAP Apex Publications. pp. 28–34. ISSN 0953-4563. OCLC 49953699.
  • Dunn, Pip (12–25 August 1998). "Clean and green - a pioneer is honoured at last". Rail. No. 337. EMAP Apex Publications. pp. 36–40. ISSN 0953-4563. OCLC 49953699.

External links

  • The Class 37 Locomotive Group Owners of 37003
  • The Growler Group Class 37 37215, 37248 (custodians)

british, rail, class, this, article, needs, additional, citations, verification, please, help, improve, this, article, adding, citations, reliable, sources, unsourced, material, challenged, removed, find, sources, news, newspapers, books, scholar, jstor, june,. This article needs additional citations for verification Please help improve this article by adding citations to reliable sources Unsourced material may be challenged and removed Find sources British Rail Class 37 news newspapers books scholar JSTOR June 2019 Learn how and when to remove this template message The British Rail Class 37 is a diesel electric locomotive Also known as the English Electric Type 3 the class was ordered as part of the British Rail modernisation plan They were numbered in two series D6600 D6608 and D6700 D6999 4 English Electric Type 3British Rail Class 3737076 at Aviemore in August 1978Type and originPower typeDiesel electricBuilderEnglish Electric at Vulcan Foundry and Robert Stephenson and HawthornsBuild date1960 1965Total produced309SpecificationsConfiguration AARC C UICCo Co CommonwealthCo CoGauge4 ft 8 1 2 in 1 435 mm standard gaugeWheel diameter3 ft 9 in 1 143 m Minimum curve4 chains 80 m Wheelbase50 ft 8 in 15 44 m Length61 ft 6 in 18 75 m Width8 ft 10 1 2 in 2 71 m Height12 ft 9 in 3 89 m Loco weight100 long tons 102 t 112 short tons to 105 long tons 107 t 118 short tons except 37 7 and 37 9 class ballasted to 120 long tons 122 t 134 short tons 1 Fuel capacity890 imp gal 4 000 l 1 070 US gal increased to 1 690 imp gal 7 700 l 2 030 US gal on rebuild 1 Prime moverBuilt English Electric 12CSVT37 9 Mirrlees Blackstone MB275Tt or Ruston RK270TtGeneratorOriginal Main English Electric EE822 Aux EE911 5CRebuilt locos Main Brush BA1005A alternator Aux Brush BA606A 1 Traction motorsEnglish Electric DC traction motors 1 TransmissionDiesel electricMU working Blue StarTrain heating37 0 Steam37 4 Electric Train HeatRemainder NoneTrain brakesVacuum Dual or AirPerformance figuresMaximum speed90 mph 140 km h or 80 mph 130 km h with regeared CP7 bogies Power outputEngine 1 750 bhp 1 305 kW Tractive effortMaximum 55 500 lbf 247 kN Continuous 35 000 lbf 156 kN 13 6 mph 22 km h 2 Brakeforce50 long tons force 498 kN CareerOperatorsBritish RailColas RailEWSDirect Rail ServicesWest Coast RailwaysEurophoenixRail Operations GroupLocomotive Services LimitedNumbersD6700 D6999 D6600 D6608 later 37001 37308NicknamesTractor also Syphon Growler or Slugs 3 Axle load classRoute availability 5except subclass 37 7 RA 7Withdrawn1967 presentDisposition35 preserved 66 still in service 1 rebuilt as Class 23 remainder scrappedThe Class 37 became a familiar sight on many parts of the British Rail network in particular forming the main motive power for InterCity services in East Anglia and within Scotland They also performed well on secondary and inter regional services for many years Many are still in use today on freight maintenance and empty stock movement duties The Class 37s are known to some railway enthusiasts as tractors 3 a nickname given due to the similarities between the sound of the Class 37 s engine and that of a tractor Contents 1 Description 1 1 Background 1 2 Building 1 3 Duties 1 4 Rebuilding 1 5 Axle load 1 6 Regional variations 1 7 British Rail liveries 2 TOPS renumbering 3 Sub classes 3 1 Class 37 0 3 2 Class 37 3 3 3 Class 37 4 3 4 Class 37 5 3 5 Class 37 6 3 6 Class 37 7 3 7 Class 37 9 4 Operations 4 1 British Rail 4 2 After privatisation 4 2 1 Colas Rail 4 2 2 Direct Rail Services 4 2 3 EWS DB Schenker 4 2 4 West Coast Railways 4 2 5 Locomotive Services Limited 4 2 6 Rail Operations Group 5 Operators 5 1 Summary 5 2 Fleet List 6 Accidents and incidents 7 Departmental 7 1 Network Rail ERTMS project 8 Preservation 9 Models 10 See also 11 References 11 1 Preserved locomotives 12 Sources 13 Further reading 14 External linksDescription EditBackground Edit As part of the large scale dieselisation brought about by the British Rail modernisation plan a need was identified for a number of type 3 locomotives of power output 1 500 hp 1 100 kW to 1 999 hp 1 491 kW English Electric had already been successful with orders for type 1 and type 4 diesels and had produced locomotives of similar power for railways in East Africa A design based on the exported locomotives was put forward and accepted 5 The design was for a general purpose locomotive and initially found service in British Rail s Eastern Region 6 Building Edit D6712 in BR green livery departing Ely in 1971 There was no prototype British Railways placed an order for forty two Class 37 locomotives in January 1959 7 The first was delivered in November 1960 it entered service on 2 December 8 BR had ordered further Class 37s before the last of the original batch had been completed in mid 1962 The final locomotive was delivered to the Western Region on 9 November 1965 9 English Electric split the construction between Vulcan Foundry at Newton le Willows and Robert Stephenson and Hawthorns of Darlington 1 The 309 locomotives produced in total were originally numbered in the range D6700 D6999 and D6600 D6608 The bodywork bears a strong family resemblance to other English Electric designs such as the Class 40 and Class 23 Baby Deltic Seven orders were placed with English Electric as follows 10 EE order no Date Total Numbers WorksCCL 1031 27 January 1959 42 D6700 41 Vulcan FoundryCCM 1114 5 February 1960 37 D6742 68 Vulcan FoundryD6769 78 Robert Stephenson and HawthornsCCN 1239 27 April 1961 17 D6779 95 Robert Stephenson and HawthornsCCP 1267 13 December 1961 23 D6796 6818 Vulcan FoundryCCP 1304 July 1962 100 D6819 28 D6859 68 D6879 98 Robert Stephenson and HawthornsD6829 58 D6869 78 D6899 6918 Vulcan FoundryCCR 1320 January 1964 20 D6919 38 Vulcan FoundryCCS 1362 February 1964 70 D6939 99 D6600 8 Vulcan FoundryDuties Edit Distribution of locomotives March 1974 11 CF ED GD HM IM LE MR SF TE TICode Name QuantityCF Cardiff Canton 51ED Eastfield 19GD Gateshead 28HM Healey Mills 9IM Immingham 16LE Landore 47MR March 29SF Stratford 27TE Thornaby 50TI Tinsley 32Withdrawn 1966 1Total built 309The class was designed for both passenger and freight work Many of the original locomotives were fitted with boilers for steam heating D6700 6754 were fitted with boilers from new along with D6758 D6775 D6781 D6818 D6875 D6892 D6960 6968 received boilers from D6701 6709 during 1967 68 37247 was fitted with a boiler in 1977 With the withdrawal of many Type 2 and Type 3 locomotives in the 1980s the 37s were selected as the standard Type 3 and many of the fleet were given a heavy overhaul to prolong their life into the 1990s and beyond Some were fitted with electrical train heating ETH equipment in the 1980s to become the 37 4 sub class initially for use on the West Highland Line the Welsh Marches line and South Wales Bristol area services and Far North Lines but later seeing use in north mid Wales and occasionally the West Country In 2010 they were used on passenger services on the Cumbrian Coast line and Wherry lines Rebuilding Edit A number of locomotives were rebuilt as Class 37 9s in the late 1980s to evaluate Mirrlees and Ruston engines for possible use on a new Class 38 freight locomotive These locos were heavily ballasted to improve traction and had excellent load hauling capabilities but the Class 38 understood to be a modular locomotive based on the approach that gave rise to the Class 58 diesel loco and the proposed Class 88 electric loco was never built Axle load Edit Cab interior of loco no 37052 The Class 37 has a relatively low axle loading for its size and power With the withdrawal of most of the smaller types of diesel locomotive this left it as the only mainline type available in significant numbers for lines with weight restrictions and for a number of years 37s handled almost all locomotive hauled services on the West Highland Line the lines north of Inverness Far North Line and in parts of Wales The Class 37 has Route Availability 5 and this is one of the main reasons it is still in use on the network Note that class 37 7 and 37 9 have an RA of 7 due to their extra ballast weights Regional variations Edit There are several differences between particular locomotives some of them easily seen Western Region Class 37s can be identified by cow horns around halfway up on the outer edge of each end of the lamp brackets When British Railways took over from the Great Western Railway the use of Great Western lamps continued Their brackets used an L shaped upright that was parallel to the direction of travel unlike the other regions which used transverse brackets Another difference between the regions is by the nose end headcodes Lower numbered split box Class 37s were allocated to northern England and east Anglia centre box locomotives were almost all allocated to Wales and the south west After locomotives were transferred between pools in the 1980s they tended to stray from their original depots Regional decorations included the Highland Inverness Stag the Cockney Sparrow Stratford the Cornish lizard St Blazey and Eastfield Highland Terrier All the Cardiff Canton Class 37 4s received Celtic Dragons below the driver s window whilst in large logo blue Some Scottish locomotives were later fitted with small Saltire flags by their TOPS data panels or on their noses in a similar fashion to the HAA hoppers allocated to Scottish power stations British Rail liveries Edit On delivery the Class 37s were painted in plain green with a grey roof the late post 1956 British Railways crest and a D prefix to their running number Some locomotives were delivered as the small yellow warning panel was introduced earlier locomotives being given these panels during works visits Towards the late 1960s the yellow was extended to the full height of the nose By the 1970s all locomotives had received all over British Rail blue with a full yellow nose by 1975 most locomotives had also received their TOPS numbers Their livery remained the same until the early 1980s when Large Logo blue was introduced This entailed the yellow nose continuing round to behind the driver s door and up to the top of the windscreen and a full height double arrow logo These locomotives had the top of the nose painted black to lower the risk of the driver being dazzled by the sun Freight allocated examples received a similar livery the only difference being the blue was replaced by freight grey In 1987 the Sectors were launched incorporating a new livery of three tone grey a light grey lower bodyside medium grey cantrail and a dark grey roof along with a bright Sector logo Coal Metals Petroleum Distribution General and Construction In addition a metal double arrow logo was fitted This livery co existed with plain blue large logo blue grey and the new InterCity and Regional Railways liveries right up to the end of British Rail in 1996 37 891 with Mainline Freight branding at Eastleigh Some locomotives in the sectorised company pools received Transrail Freight logos or Mainline Freight Rolling Balls over their 3TG three tone grey colours while Loadhaul locomotives were painted orange and black and Mainline locomotives received aircraft blue with silver stripes Departmental locomotives were initially painted in a plain grey livery but this didn t find favour and was modified into Dutch grey and yellow livery similar to that of Nederlandse Spoorwegen 37 093 was mocked up as a police locomotive which pulled over a Class 43 HST power car for speeding in an InterCity 125 advert broadcast in the 1980s TOPS renumbering EditMain article List of British Rail Class 37 locomotives As with many diesel classes the TOPS renumbering was implemented in a straightforward manner with the locomotive numbers remaining in sequence Thus 6701 became 37001 and D6999 became 37299 while D6600 D6608 became 37300 37308 The remaining locomotive D6700 became 37119 instead of D6819 which became 37283 the number being unused as D6983 was destroyed in an accident in 1965 12 As members of the class were altered later in their careers they were renumbered some more than once D6983 was withdrawn in December 1965 following a fatal collision with a derailed Class 47 number D1671 THOR in South Wales near Bridgend as the result of a landslip D6983 was the first EE Type 3 to be withdrawn and as a result the only locomotive in the entire class not to receive a TOPS number The remains of both locomotives were sold to local scrap merchants R S Hayes and cut up the following year 13 Sub classes EditIn the 1980s the Class 37 locomotives were extensively refurbished from that point 37 0 refers to the original version The work took place at British Rail Engineering s Crewe Works except for the 37 3 subclass whose bogies were replaced at various depots 1 Sub class Description37 0 Locomotives which remained unmodified after other sub classes were created37 3 Locomotives which were rebogied but not refurbished37 4 Refurbished rewired English Electric generator replaced with Brush alternator electric train supply ETS fitted37 5 Refurbished rewired English Electric generator replaced with Brush Traction alternator37 6 Locomotives from Class 37 5 further modified with through ETS wiring and RCH jumper cables37 7 Refurbished rewired English Electric generator replaced with GEC G564AZ or Brush alternator 1 additional weight added37 9 Refurbished rewired English Electric generator replaced with Brush alternator new engines Mirrlees MB275Tt or Ruston RK270Tt 1 Class 37 0 Edit 37 263 at Didcot This designation covered all 309 locomotives as built but with such a large number of locomotives and with two companies involved in the building there were several differences within this sub class alone The most visible external difference was that the first 119 locos originally had a split headcode box for these locos the four digit train reporting number was shown in two square boxes each containing two digits and separated by a pair of connecting doors designed to allow the train crew to be exchanged while in motion Later locomotives had a single centrally placed headcode box and also had the horns mounted on the roof rather than built into the nose of the locomotive This difference was the reason for the double change in numbers involving D6700 and D6819 when implementing the TOPS scheme described earlier Class 37 3 Edit 37371 at Eastleigh There were two incarnations of a 37 3 subclass The first was a group of 12 Motherwell allocated locos that were fitted with strengthened couplings and modified brake blocks for working the heavy trains to Ravenscraig These were all renumbered back to their original numbers by the end of 1988 The second set of locos were rebogied at various depots with the regeared cast frame type CP7 Bogie Bogies from the English Electric Deltics Class 50 and Class 37s are largely interchangeable with only modification to traction motor gearing to 80 miles per hour 130 km h in the case of the 37s and access step positions needing alteration between the classes The fuel capacity was doubled by using the redundant train heating boiler water tanks but no other changes were made 14 Class 37 4 Edit BR Class 37 4 37409 Loch Awe at Fort William in 1989 With ETH Electric Train Heating replacing steam heated coaches some of this class received ETH Supply when refurbished at Crewe Works during 1985 and 1986 During this refurbishment the locomotives also received regeared CP7 bogies and the English electric generator was replaced with a Brush BA1005A alternator 15 Extensive re wiring as well as a full repaint into BR Large Logo was undertaken The modifications allowed the rebuilt locomotives to work passenger trains all year round with the 31 strong fleet being split between Wales and Scotland Scotland receiving the first 25 and Wales the other six After the extensive refurbishment the locomotives were allocated the 37 4 sub class following the trend of renumbering ETH fitted locomotives xx 4s e g 474xx and 314xx The next chapter saw the entire sub class pass to Transrail Freight which was one of the three regional freight operating companies prior to the privatisation of the entire British Rail network Over the years the locomotives have received a large number of liveries BR Green Regional Railways Trainload Grey EWS maroon Transrail Freight BR Large Logo and Mainline to name a few The Cambrian North Wales Coast Rhymney West Highland South Wales and West Country all benefited from the use of 37 4s Locomotive hauled operations had virtually ceased by the early 2000s thanks to the widespread introduction of second generation diesel multiple units and the replacement of loco hauled trains by multiple units although the sub class did hold out on the Cardiff Rhymney trains for Arriva Trains Wales for some years 37411 and 37425 were specially painted to mark the end of loco hauled services on the line in April 2005 these repaints being funded by Arriva In late 2010 DB Schenker put all of its remaining 37 4s up for sale with many examples expected to be sold for scrap Direct Rail Services DRS subsequently bought most of the remaining class 37 4s 16 for use on nuclear flask traffic These later found further use in 2018 19 on Cumbrian Coast passenger services and East Anglian passenger services between Norwich and Great Yarmouth Lowestoft allowing for multiple units to be cascaded in the first instance and covering for accident damaged units in the second Between 2019 and early 2020 Colas Rail hired three Class 37s including 37418 and 37421 to Transport for Wales for use once again on peak hour commuter services on the Rhymney line Class 37 5 Edit 37 667 Class 37 5 at Eastleigh This class were updated in similar fashion to the 37 4 subclass except that they did not receive electric train heating and some were fitted with Sandite ports Locomotives previously numbered between 37001 and 37119 those which had split headcode boxes were given new numbers from 37501 upwards curtailed at 37521 those previously numbered between 37120 and 37308 were renumbered from 37699 downwards curtailed at 37667 Nine locomotives from the first batch and three from the second were later modified for use with the aborted Channel Tunnel sleeper Nightstar project reclassified 37 6 and renumbered 37601 37612 see below Class 37 6 Edit Two Eurostar 37 6 types at Clapham Junction Eurostar at the time European Passenger Services had 12 locomotives modified all ex 37 5 as Class 37 6 with the intention that they would haul overnight international trains Nightstar over the non electrified sections of their routes in Britain However these services were never introduced and in 1997 Eurostar sold six of its locomotives to Direct Rail Services DRS with a further three sold in 2000 The remaining three locomotives were retained by Eurostar for a variety of tasks including driver training route learning and for rescuing failed Class 373 units Once Eurostar moved its operations to its new depot at Temple Mills its Class 37 locomotives became redundant and they too were sold to DRS in 2007 DRS has subsequently sold some of them Europhoenix being the principal recipient The Europhoenix 37 6s are used on test trains and have been used to haul EMUs to and from works and to rail connected scrapyards citation needed Class 37 7 Edit Loadhaul liveried 37 7 type The Class 37 7 sub class was intended primarily for heavy freight work with extra ballast and modified gearing As part of the major refurbishment scheme of the Class 37 locomotives in the 1980s another freight dedicated fleet of 44 Class 37s was created the Class 37 7 subclass which was very similar to the 37 5 subclass except for plating over of a bodyside window and the addition of a ballast weight to give extra pulling power when hauling heavy freight trains such as the metals trains in South Wales Again like the 37 5s there were two batches completed from phase 1 and phase 2 Class 37 0 locos The batch numbered 37701 upwards curtailed at 37719 were from phase 1 build locos and have the flush front ends and nose mounted horns whilst the batch numbered from 37899 downwards curtailed at 37 883 were rebuilds from phase 2 locos having the central headcode box plated over and roof mounted horns A further batch was created locos numbered 37796 37803 had a different type of electrical equipment fitted from Brush as part of a trial and differ from the other locos in the subclass internally In British Rail use the sub class were particularly common in South Wales on heavy coal and metals work They were particularly adept at working coal trains up and down the short but steeply graded branch lines around Swansea and Cardiff to collieries such as Tower Colliery Coedbach and Cwmbargoed They operated merry go round trains of 32 ton HAA air braked hoppers usually numbering 32 wagons between collieries washeries open cast mines and disposal points to power stations such as Aberthaw and occasionally further afield Their use on Metals Sector trains usually from Llanwern Port Talbot or English metal works such as Scunthorpe saw them hauling very heavy trains between docks works and purchasers in Britain Indeed the use of three Class 37 0 locomotives on Llanwern Port Talbot Docks steel trains the heaviest on the British rail network at 3 300 long tons 3 400 t was soon abandoned when Class 56s became available requiring only two locomotives Cardiff had a large allocation of 37 7s some waiting on standby ready for a call from the mills requiring more wagons to handle any extra traffic Eventually this work was taken over by Class 56s and Class 60s This Metals traffic would also become the domain of the sub class 37 9 which to all intents and purposes was a 37 7 but with a different prime mover When EWS introduced its 250 Class 66s from 1998 many of the sub class were put into store Some have since been involved in construction work in France and Spain building new high speed lines A total of 15 were sent to Spain and an additional two were sent to Italy Most subsequently returned to the UK although a handful were broken up abroad Class 37 9 Edit 37906 at Cardiff Central in July 1991 In 1986 four Class 37s numbers 37150 148 249 124 respectively were converted to test the Mirrlees MB275T engine 17 and Brush alternator for the proposed Class 38 and were numbered 37901 904 These were followed in 1987 by 37905 6 converted from 37136 206 which were fitted with the alternative pairing of a Ruston RK270T engine and GEC alternator 17 All six locomotives were fitted with new bogies and had ballast weights to increase their overall weight to 120 tons Although intended as a testbed for the proposed Class 38 the two power units fitted were those considered for the Class 60 which was eventually delivered with an enlarged version of the Mirrlees MB275T They all had modifications similar to that of Class 37 7 including new nose grilles removal of the central bodyside windows and 4 fire extinguisher ports However 37901 904 had a heavily modified central roof section consisting of flat panels rather than the curved sheets of the original All 6 had a new exhaust port fitted replacing the two of the original design All six Class 37 9s were delivered in Railfreight Grey livery later receiving 3TG metals sub sector livery and operated as part of the British Rail Heavy Metals sector being based in South Wales and hauling trains normally rostered for the much more powerful Class 56 such as the Port Talbot Steelworks Llanwern Iron Ore tipplers 18 During the late 1990s use of the Class 37 9s declined due to availability of the newer and more powerful Class 66s and problems maintaining such a small number of non standard locos with all six officially designated as being in storage in 1999 This was not however the end of the sub class In July 2000 37906 was designated as part of the EWS heritage fleet but has since been sold into preservation joining 37901 and 37905 37902 was sold to Direct Rail Services in 2003 but was scrapped and cut up in 2005 after a review by DRS 37904 was cut up at CF Booth s in Rotherham in November 2004 and 37 903 was scrapped at Crewe Diesel TMD in April 2005 37901 has since been sold to Europhoenix and returned to service complete with its Mirrlees Pioneer name 37905 was purchased by UK Rail Leasing and is presently stored at its Leicester depot In October 2019 37906 Battlefield Line Railway was sold Operations EditBritish Rail Edit This section does not cite any sources Please help improve this section by adding citations to reliable sources Unsourced material may be challenged and removed October 2010 Learn how and when to remove this template message During their service on British Rail the Class 37s found use on both passenger and freight workings being one of the mainstays of the BR fleet While freight use was widespread passenger work was predominantly in the Eastern Region with use on London Norwich and Cambridge King s Lynn services the latter through to the 1980s and in West Wales on services west of Swansea to Fishguard Harbour Milford Haven and Pembroke Dock Darnall s later Tinsley s 37s were used on various passenger services in the Sheffield area notably the Pullman service to London King s Cross Hull Dairycoates 37s were used on local stopping services as well as on King s Cross portions down to Doncaster In the early 1980s the remaining steam heat capable locomotives gravitated to Scotland eventually replacing both Class 27s on the West Highland Line and Class 26s on the Far North and Kyle of Lochalsh lines However their use became difficult once ETH fitted Mark 2 and Mark 3 coaches moved north The sleeper trains were particularly troublesome To this end steam heat 37 0s were coupled to ETHELs Electric Train Heating Ex Locomotive essentially Class 25s with isolated traction motors that provided Electric Train Heating which provided the necessary power to run them Class 37s were subject to several modifications during their time in service One short lived experiment involved 37 175 receiving CP5 self steering bogies designed to reduce excess wear and noise on the tightly curved West Highland line to Fort William and Mallaig This however proved too expensive to be practicable Some Inverness allocated Class 37s received car lights these were essentially spotlights that made them more visible on the sharply curved Scottish branches especially to users of level crossings These were eventually either removed or superseded by the modern sealed beam lights that became compulsory from 1993 Other classes fitted with these or similar lights were Class 24s Class 26s Class 47s and a solitary Class 86 86 225 The other notable use was of nominally freight locomotives to Aberystwyth over the Cambrian line in this case taking over from Class 25s on the holiday trains From 1985 the 37 4 subclass took over on the Scottish lines although the use of original 37 0s continued in the summer when train supply was not required The Welsh allocation in turn took over from the 37 0s on the Cambrian as well as from Class 33s on Crewe Cardiff workings They were also used on the Bristol Cardiff Swansea leg of services from Portsmouth Harbour and later on the Heart of Wessex line Over time they were displaced from most passenger work by new build DMUs such as the Sprinter units though they still found work in the summer and on secondary services from time to time through the 1990s as traffic demand required This saw use both on the North Wales Coast and most remarkably Cardiff Rhymney local services through to 2006 In Scotland after being displaced from the West Highland and far north routes 37 4s were used on two diagrams on the Inverness Edinburgh route for several years as well as being used to Kyle of Lochalsh in the summer and on Inverness Aberdeen services The final daily work in Scotland was the Fort William Caledonian Sleeper this ending in June 2006 Their freight work similarly reduced being displaced by higher powered locomotives such as the Class 56 and Class 58 locomotives on coal trains though they continued on other cargos such as oil tankers for longer After privatisation Edit In the 1980s many locomotives were refurbished which has contributed to the Class 37 fleet becoming one of the longest surviving classes on British railways However the introduction of new Class 66 locomotives has meant many 37s have been withdrawn or scrapped English Welsh amp Scottish and Direct Rail Services operated small fleets with several other examples also operated by spot hire companies However second hand Class 37s have also proved popular in the export market with some examples operating in Spain and France serving the construction of those countries high speed railway networks As of 2022 numerous examples of the class are still in mainline service despite all of them being more than fifty seven years old Colas Rail Edit Colas Rail owns ex preservation 37057 37099 37116 37175 37219 37254 37421 all currently operational Additionally Colas purchased 37146 37188 and 37207 with the intention of returning them to main line duty but as of March 2020 37146 is unlikely to receive its intended overhaul and is expected to be sold or used as a parts donor 37188 was broken up at UK Rail Leasing s Leicester depot in 2019 Between July 2019 and March 2020 three Colas Rail Class 37s Nos 37025 418 421 operated peak time loco hauled services on the Rhymney line with eight Mark 2 carriages 19 the first passenger loco hauled services on the route since 2005 due to a lack of rolling stock caused by the two year delay on the Class 769 that was scheduled to run services on the route 20 Direct Rail Services Edit Class 37 0 in Direct Rail Services livery at Crewe Works in June 2003 Direct Rail Services DRS has a variety of Class 37s operational and others stored DRS originally purchased and operated a mix of class 37 0s 37 4s 37 5s and 37 6s Most of the DRS 37s were used on nuclear flask services coming from a host of places including Hunterston Torness Heysham Hartlepool Sizewell Bridgwater Valley Dungeness but are now being replaced by Class 68s These are empty or full FNA wagons often containing spent nuclear fuel Following a review of traction requirements and delivery of its new Vossloh Stadler UK Light Class 68 diesels and Stadler UK Dual Class 88 bimodes DRS has stored withdrawn or sold most of its Class 37 fleet apart from the 37 4s In July 2016 37424 was renumbered 37558 and named Avro Vulcan XH558 21 22 DRS Class 37s were hired to power passenger services on the Wherry lines Norwich to Great Yarmouth Lowestoft for Greater Anglia between June 2015 and September 2019 due to a shortage of diesel multiple units as a result of two serious accidents Until December 2018 they also hauled passenger services on the Cumbrian Coast line on behalf of Northern Rail until 2016 and then its successor Northern EWS DB Schenker Edit EWS maroon 37401 at Fort William 37670 in DB Schenker livery at Weymouth EWS usually used Class 37s in pairs for freight workings Additionally EWS used the Class 37s on railtours or charter hire to train operating companies For example in 2005 Arriva Trains Wales used 37 4 haulage on the Rhymney valley line from a pool of four locomotives these locomotives being 37405 EWS livery 37411 BR green livery 37419 EWS livery and 37425 BR Large Logo 37419 replaced 37408 Loch Rannoch which was involved in a collision with parked stock at Rhymney sidings which was suspected to be caused by vandals 37408 suffered extensive damage and was written off at Toton TMD with its power unit removed and used to revive 37422 Its body was later scrapped at European Metal Recycling Kingsbury Warwickshire By mid 2008 only three EWS Class 37s were still in regular use on the mainline 37401 417 422 37422 was placed in WNTS tactical store pool in September leaving only 37 401 and 417 in traffic On 16 December 37 417 suffered serious engine failure and was sent to Eastleigh for storage resulting in 37401 becoming the only Class 37 to remain in traffic into the new DB Schenker era DB Schenker had one operational Class 37 4 37401 at the time of its rebranding from EWS on 1 January 2009 DB Schenker also had hired locomotives for temporary duties such as 37 423 from Direct Rail Services DRS to cover for failed 37417 DB Schenker 37401 and DRS s 37 423 were on snowplough duty at Inverness for the winter months 37401 DB Schenker s sole operational English Electric Type 3 at the time was reported sounding rough and was later stored although this did not last long as it was soon sent to Toton TMD for repairs along with 37406 The Saltire Society 37401 DB Schenker s most reliable Class 37 was repaired and returned to service 37406 was returned to service failing on its first working 37670 was also returned operational 37419 was prepared for a return to traffic and repainted into DB Schenker livery however its long time in store did not help its power unit and it failed with a serious engine fault on its trial run The locomotive is now operational with DRS DB Schenker had the largest route for railhead treatment trains for Autumn 2009 and required Class 37 haulage due to their route availability Much speculation was surrounding the return of several Class 37s however DB Schenker was eventually given clearance from Network Rail to use Class 66s and 67s on the routes instead resulting in the Class 37 plan being ditched despite several of the machines having their air horns moved onto the nose to resolve clearance problems Reliability problems plagued 37670 during its short time in traffic and the loco was eventually stored unserviceable With the storage of 37670 this meant that once again 37401 was the sole operational Class 37 in active service under DB Schenker To take the strain off 37401 37425 Pride of the Valleys was fitted with OTMR safety equipment and was returned fully operational The locomotive retained in BR blue large logo livery however like 37670 it was also plagued with unreliability As of summer 2010 DB Schenker Rail UK ceased using Class 37s In June 2013 DB Schenker offered six Class 37s for sale 37703 37714 37716 37718 37800 and 37884 These had been stored out of use at Dollands Moor after returning from mainland Europe where they had been working on the construction of a new high speed line 23 37703 went on hire loaned but still owned by Direct Rail Services to the Scottish Railway Preservation Society 37 703 714 716 718 were bought by Direct Rail Services 37718 was scrapped at CF Booth Rotherham in July 2015 37800 and 37884 were bought by Europhoenix and once restored to working order went on long term hire to Rail Operations Group in a dual Europhoenix ROG livery West Coast Railways Edit West Coast Railways 37706 approaching Northam Junction West Coast Railways WCR purchased four locomotives from Ian Riley Engineering in 2004 The two operational locomotives nos 37197 and 37261 were used on charter trains or as standby locomotives for The Jacobite steam hauled excursion services from Fort William to Mallaig during 2005 These two along with non operational 37423 have since been sold to DRS The fourth no 37 235 was for spares In late 2007 WCR purchased several non operational Class 37 5 and Class 37 7s from EWS nos 37517 37668 37676 37685 37706 37712 and 37710 Of the acquired locomotives 37710 will be used as a source of spares 37676 and 37712 were the first two returned to mainline 37676 was named Loch Rannoch at a special event in Carnforth Steamtown 37712 suffered a fire on an empty coaching stock move and was subsequently stored It is known that major work will need to be done on 37712 however demand exists for chartered Class 37s By the end of 2019 WCR had seven Class 37s running in service nos 37516 37518 37668 37669 37676 37685 37706 with nos 37710 as a spares donor and 37517 and 37712 stored Locomotive Services Limited Edit Since 2017 Locomotive Services Limited LSL began to acquire a number of class 37s to use alongside its own fleet of BR Class 47s As of February 2020 LSL has four on its books and running in service nos 37190 37521 37667 and 37688 Not all of these are owned by LSL as some are hired in by the company from their owners for use on LSL run trains Rail Operations Group Edit ROG 37 884 hauling class 313 units through Newport Rail Operations Group ROG leases six Class 37s 37510 37601 37608 37611 37800 37884 from Europhoenix for frequent moves of passenger stock These have been modified to be able to couple with and operate the brakes on various EMU classes without the need for translator vehicles 24 Operators EditSummary Edit Fleet 2020 of mainline registered locomotives excluding preserved railways 25 Owner Number Numbers NotesColas Rail 11 37025 37057 37099 37116 37175 37219 37240 37254 37418 37421 Preserved on hire to Colas Direct Rail Services 20 37038 059 069 218 259 402 407 419 423 425 602 605 716 Stored 401 405 409 422 602 606 37703 on loan to Bo ness amp Kinneil Railway 37059 069 and 605 on loan to Loram UK Europhoenix 9 37510 601 608 611 800 884 901 Stored 37146 207 Hired to Rail Operations Group 37670 was cut up on 9 March 2018 37188 was cut up on 24 July 2019 Harry Needle Railroad Company 3 37607 610 612 37610 612 hired to Colas HNRC were originally tasked with locating and overhauling class 37s for Colas 26 Locomotive Services Limited 7 37190 521 603 604 609 27 667 688 On long term lease from D05 Preservation Ltd Network Rail 4 97301 37100 97302 37170 97303 37178 97304 37217 ERTMS fitted for Cambrian LinesUK Rail Leasing 1 37905West Coast Railways 11 37516 518 676 668 669 685 706 Stored 37165 517 710 712 Spares donors 37668 and 669 fitted with Hitachi ERTMS ETCS Equipment for Cambrian Lines in 2015 Not yet used alone on Charters over the line 28 29 Total 67Fleet List Edit Main article List of British Rail Class 37 locomotivesAccidents and incidents EditOn the night of 16 17 December 1965 D6983 while hauling a train was in collision with a derailed freight hauled by D1671 Thor near Bridgend South Wales The driver and second man of D1671 died and damage to both locomotives was extensive enough that even though each locomotive was barely a year old they were withdrawn and eventually scrapped D6983 was the first Class 37 withdrawn and the only one of the class not to be renumbered In January 1988 locomotives No 37671 and 37672 were hauling a freight train that was diverted into a siding at Tavistock Junction Devon due to a pointsman s error The train collided with a wagon pushed it through the buffers and was derailed 30 Some locomotives suffered nose end damage through minor collisions As a result a number of Class 37 0 variants were rebuilt with the split headcode boxes that were a feature of the series 1 build replaced by series 2 style central headcode panels On 12 May 2014 locomotive 37198 stored by Network Rail on the Great Central Railway and coupled to a Post Office Sorting Van ran away for 1 8 miles 2 9 km due to an ineffectively placed wheel scotch It then struck the end vehicle of a rake of five Mark 1 coaches 31 Departmental EditNetwork Rail ERTMS project Edit Network Rail restored four Class 37s as part of the European Rail Traffic Management System ERTMS trial project on the Cambrian Line The site of the restoration was the Barrow Hill Roundhouse where ex HNRC locomotives 37100 37170 37178 and 37217 were taken in The restored Class 37s for ERTMS use were re designated as Class 97 3 numbered 97301 97302 97303 and 97304 32 The class was chosen because of its original fitment with both air and vacuum braking a feature which will allow them to pull both modern freight trains as well as special enthusiast trains The main work of the locomotives is to pull on track machines such as tampers through the ERTMS section The 97 3s are based at the newly constructed Coleham Depot for the duration of the ERTMS testing on the Cambrian Line thereafter they are used to pilot trains not fitted with the ERTMS signalling system They are also used to work Network Rail test trains on other parts of the network when not required for ERTMS testing These locos were effectively refurbished having been completely stripped down to bare steel with reconditioned engines somewhat updated cabs all new signalling systems installed ERTMS in this instance and extensive re wiring 97302 303 and 304 all remain operational as of August 2022 97301 is currently stored at Derby RTC Preservation Edit 37901 Mirrlees Pioneer Class 37 locomotives have proved to be very popular with many examples saved for preservation on heritage railways as well by enthusiast groups Notable examples saved include the first built locomotive No D6700 and the last built locomotive 37308 A number of the class have been sold back out of preservation to mainline operators including both Ruston engined prototypes Nos 37905 6 One locomotive 37372 has been procured by a group called the Baby Deltic Project for conversion into a replica of a Class 23 Baby Deltic 33 PreTOPS PostTOPS Final Name Owner Location Notes or liveryD6607 37307 37403 Isle of Mull Privately owned Bo ness and Kinneil Railway BR Blue Large Logo D6608 37308 37274 Dean Forest Railway pre 1 Sky Blue undercoatD6700 37119 37350 National Railway Museum National Railway Museum Great Central Railway pre 2 First locomotive of class built BR GreenD6703 37003 no name plates currently carried Class 37 Locomotive Group pre 3 Mid Norfolk Railway currently at UKRL Leicester BR Blue Currently undergoing major overhaul at UKRL Leicester as of August 2017 D6709 37009 37340 English Electric Preservation Nottingham Heritage Railway Undergoing restoration BR BlueD6723 37023 Stratford Privately owned Pontypool amp Blaenavon Railway Undergoing restoration BR Blue Large Logo D6724 37024 37714 Cardiff Canton Heavy Tractor Group Great Central Railway Trainload Metals livery with depot plate Cardiff Canton D6725 37025 Inverness TMD pre 4 The Scottish Thirtyseven Group pre 5 Hired to Colas BR Blue Large Logo Restored in 2005 returned to mainline use 2016 pre 4 D6729 37029 Privately owned Epping Ongar Railway BR Green small warning panel D6732 37032 37353 Mirage Privately owned pre 6 Anglia type three association pre 7 North Norfolk Railway BR Green In Service pre 7 D6737 37037 37321 Gartcosh Devon Diesel Society pre 8 South Devon Railway BR Corporate blue Nameplates now removed D6742 37042 Eden Valley Railway Almost Runnable EWS LiveryD6775 37075 Privately owned Keighley and Worth Valley Railway 3TG unbrandedD6797 37097 Old Fettercairn Caledonian Railway Diesel Group pre 9 Caledonian Railway pre 10 Under Overhaul pre 10 BR BlueD6808 37108 37325 Privately owned Crewe Heritage Centre Under restoration Dutch undercoatD6809 37109 Privately owned donated by EWS East Lancashire Railway BR BlueD6823 37123 37679 Privately owned Burton Wagon Works Nemesis Currently undergoing long term restoration Railfreight 3 Tone Grey Unspecified Sub SectorD6842 37142 Bodmin and Wenford Railway pre 11 Under overhaulD6852 37152 37310 British Steel Ravenscraig Privately owned pre 12 Peak Rail pre 12 Large Logo Blue in working order Sept 2006 pre 12 D6869 37169 37674 St Blaize Church 1445 1995 Privately owned Strathspey Railway Railfreight Red Stripe operational as of November 2014 D6898 37198 Darlington Borough Council Head of Steam Static display Donated to the museum by Network Rail 34 BR Green D6905 37205 37688 Great Rocks DO5 Ltd Locomotive Services Limited BR railfreight constructionD6906 37206 37906 Battlefield Line Railway With Ruston RK270T engine Railfreight livery pre 1 D6915 37215 The Growler Group 1 Gloucestershire Warwickshire Railway pre 13 In working order 1998 pre 13 D6916 37216 Great Eastern Private Pontypool and Blaenavon Railway pre 14 Mainline Blue livery Undergoing restoration to BR GreenD6927 37227 Chinnor and Princes Risborough Railway OperationalD6948 37248 Midland Railway Center Loch Arkaig Privately owned in custodianship of The Growler Group 2 Gloucestershire Warwickshire Railway BR Green D6950 37250 Privately owned Wensleydale Railway Operational from April 2019 after five year overhaul Dutch civil engineers livery pre 15 D6955 37255 Privately owned pre 16 Burton Nemesis pre 16 Civil Engineers D6961 37261 Caithness Privately owned Bo ness and Kinneil RailwayD6963 37263 Privately owned Telford Steam Railway BR Departmental GreyD6964 37264 Privately Owned North Yorkshire Moors Railway BR Large logo BlueD6971 37271 37418 An Comunn Galdhealach Pectinidae East Lancashire Railway Privately owned Hired to Colas East Lancashire Railway Operational BR Blue Large Logo D6975 37275 Stainless Pioneer Oor Wullie Dartmouth Steam Railway Operational BR BlueD6994 37294 Embsay and Bolton Abbey Steam Railway BR BlueModels EditIn 1965 Hornby Railways launched its first version of the BR Class 37 in OO gauge 35 See also EditPassenger locomotives in use in the UK BR Class 37 renumberingReferences Edit a b c d e f g h Class 37 The Railway Centre Archived from the original on 26 September 2013 Retrieved 25 March 2014 a href Template Cite web html title Template Cite web cite web a CS1 maint unfit URL link Locomotive Database BR Class 37 Technical Data Auran com Retrieved 25 March 2014 a b Locomotive DMU and EMU Nicknames Rodge force9 co uk Archived from the original on 30 January 2010 Retrieved 25 March 2014 37 Co Co BRDatabase Class 37 English Electric Type 3 kentrail co uk Background to original order kentrail co uk Retrieved 25 March 2014 1 750HP Diesel Electric Locomotives New British Railways standard in type 3 power range Copy of original English Electric technical pamphlet giving technical specifications of the original design Archived 4 July 2010 at the Wayback Machine Clough 2009 p 86 Clough 2009 p 87 Clough 2009 p 88 Clough 2009 pp 86 88 British Railways Locoshed Book 1974 edition Shepperton Ian Allan 1974 pp 25 28 ISBN 0 7110 0558 3 ENGLISH ELECTRIC CLASS 37 Renumbering the type 3s Archived 28 June 2008 at the Wayback Machine Morrison Brian 1981 The Power of the 37s Oxford Oxford Publishing Co Rolling stock class 37 English Electric BR thejunction org uk The European Railway Picture Gallery Class 37 4 data sheet Railfaneurope net 13 May 1965 Retrieved 25 March 2014 Rail Express April 2011 a b Enter the Super Syphons Rail Enthusiast No 63 EMAP National Publications December 1986 pp 55 57 ISSN 0262 561X OCLC 49957965 Banks Alan December 2007 Masterclass BR Class 37 9s Model Rail No 111 Peterborough EMAP active Ltd pp 18 24 54 year old loco drafted in to cope with demand in the Rhymney Valley ITV News 3 July 2019 Retrieved 22 March 2020 Class 37s to stay in Wales into 2020 www railmagazine com Retrieved 22 March 2020 Welcome to a new mainline locomotive Avro Vulcan XH558 Vulcan to the Sky Trust Retrieved 4 August 2016 DRS Open Day 2016 A Great Success Direct Rail Services Retrieved 4 August 2016 More 1960s redundant Class 37 diesel locomotives put up for sale by DB Schenker Rail co uk Retrieved 25 March 2014 Train Operations Rail Operations Group Archived from the original on 22 October 2019 Retrieved 22 October 2019 Diesel Locos Archived from the original on 7 July 2007 Golden oldies continue to play their tune DRS locomotive tender results revealed HNRC and LSL snap up 20s 37s and 57s Rail Express issue 309 February 2022 page 24 Class 37 5 Locomotive Upgrades Obtaining Operational Authorisation for a European Standard Railway Signalling System in the UK Hitachi Review Earnshaw 1993 pp 39 rear cover Runaway and subsequent collision near to Loughborough Central station Great Central Railway PDF Rail Accident Investigation Branch 21 May 2015 Retrieved 12 November 2020 Class 97 Status Archived 13 February 2009 at the Wayback Machine wnxx com retrieved on 13 September 2008 The Project The Baby Deltic Project Edgar Bill 12 August 2021 Historic Class 37 locomotive rolls back into Darlington The Northern Echo Newsquest Archived from the original on 13 August 2021 Retrieved 13 August 2021 Hornby BR Class 37 Type 3 1965 Hornby Railways Collector Guide Retrieved 31 January 2020 Preserved locomotives Edit a b Fleet status UK locomotive database subsection 31 37 Archived 20 October 2007 at the Wayback Machine wnxx net National Railway Museum Class 37 to go back in traffic with loan move National Railway Museum Science Museum Group 16 February 2022 Retrieved 19 March 2022 Class 37 Locomotive Group C37lg co uk Retrieved 25 March 2014 a b Scottish Railway Preservation Society Diesel Group 37025 Archived 14 October 2008 at the Wayback Machine srpsdiesel com Scottish 37 Group Archived 7 February 2007 at the Wayback Machine 37032 D6732 Archived 31 May 2009 at the Wayback Machine preserved diesels co uk a b Class 37 D6732 37032 Archived 18 August 2008 at the Wayback Machine Midland and Great Northern joint railway society mandgn co uk BR Co Co D6737 37 037 Loch Treig Archived 28 January 2010 at the Wayback Machine southdevonrailway co uk 37097 Old Fettercairn Archived 20 November 2008 at the Wayback Machine crdg co uk a b Caledonian Railway subsection Stocklist caledonianrailway co uk 37142 Archived 5 July 2008 at the Wayback Machine bodminandwenfordrailway co uk a b c 37152 peakraildiesels a b Gloucester Warwickshire Railway Locomotives subsection diesel Archived 27 March 2009 at the Wayback Machine gwsr com DIESEL LOCOMOTIVES AT BLAENAVON Archived 19 August 2008 at the Wayback Machine pontypool and bleanavon co uk Chapman Hannah ed 14 June 2019 Comment amp Opinion Darlington amp Stockton Times No 24 2019 p 21 ISSN 2516 5348 a b Taylor Paul Locomotives 37255 Archived from the original on 24 June 2012 a href Template Cite web html title Template Cite web cite web a CS1 maint unfit URL link gcrailway co ukSources EditClough David N August 2009 British Rail Standard Diesels of the 1960s Hersham Ian Allan ISBN 978 0 7110 3373 3 0908 B1 Earnshaw Alan 1993 Trains in Trouble Vol 8 Penryn Atlantic Books ISBN 0 906899 52 4 Marsden Colin J 1981 Motive power recognition 1 Locomotives Shepperton Ian Allan Ltd ISBN 0 7110 1109 5 Preedy Norman E Ford H L BR Diesels in Close Up Truro D Bradford Barton Ltd Williams Alan Percival David 1977 British Railways Locomotives and Multiple Units including Preserved Locomotives 1977 Shepperton Ian Allan Ltd ISBN 0 7110 0751 9 Further reading EditClough David N Rapson D I 1991 Locomotive Recognition Class 37s Ian Allan ISBN 9780711019195 OCLC 26632324 Collins Michael J 1984 Class 37s at Work London Littlehampton Book Services Ltd ISBN 9780711014473 OCLC 14931264 Derrick Kevin 2011 Looking Back At Class 37 Locomotives Strathwood ISBN 9781905276240 Derrick Kevin 2015 Syphon Salute 50 Years of Class 37s Strathwood ISBN 9781905276752 Loader Martin 1998 Class 37 Photo File Vanguard Publications ISBN 9781900872027 OCLC 655247051 Marsden Colin J Fenn Graham B 1988 British Rail Main Line Diesel Locomotives Sparkford Haynes pp 146 155 ISBN 9780860933182 OCLC 17916362 McManus Michael Ultimate Allocations British Railways Locomotives 1948 1968 Wirral Michael McManus Meskell Nick 2006 Class 37s in South Wales Blackpool Train Crazy Publishing ISBN 9780954803575 OCLC 171537608 Meskell N J 2004 Scottish Class 37s Vol One The Steam Heat Years Blackpool Train Crazy Publishing ISBN 9780954803513 OCLC 190776403 Meskell N J 2005 Scottish Class 37s Vol Two Blackpool Train Crazy Publishing ISBN 9780954803544 OCLC 190776403 Meskell N J 2007 Scottish Class 37s Vol Three The 1990s Blackpool Train Crazy Publishing ISBN 9780954803582 OCLC 190776403 Oakley Michael 1979 BR EE Class 37 diesel electrics Truro Barton ISBN 9780851533629 OCLC 16499594 Shannon Paul 2005 Rail Portfolios Class 37 Hersham Ian Allan ISBN 9780711030978 OCLC 58554935 Shannon Paul 1990 The 37s Second Series Shepperton Ian Allan ISBN 9780711019317 OCLC 60085212 Siviter Roger 1989 37s in the Highlands Runpast Publishing ISBN 9780946184521 OCLC 20691702 Vaughan John 2007 Diesel Retrospective Class 37 Hersham Ian Allan ISBN 9780711032002 OCLC 85897919 Vehicle Diagram Book No 100 for Main Line Diesel Locomotives PDF Barrowmore MRG Derby British Railways Board October 1984 pp 19 22 36 37 92 98 per pdf Walker Andrew 2016 Class 37 Locomotives Amberley Publishing ISBN 9781445657370 OCLC 934603454 Doel Peter December 1981 January 1982 Howay the 37s Rail Enthusiast EMAP National Publications p 60 ISSN 0262 561X OCLC 49957965 Kelly Peter September 1982 Rolling Stones Rail Enthusiast EMAP National Publications pp 18 21 ISSN 0262 561X OCLC 49957965 Cowley Ian Hardinge Graham October 1986 The Great Eastern Class 37s The First 25 Years Rail Enthusiast No 61 EMAP National Publications pp I XVI ISSN 0262 561X OCLC 49957965 Clough David 5 18 October 1989 6 of the best RAIL No 106 EMAP National Publications pp 34 37 ISSN 0953 4563 OCLC 49953699 Dunn Pip 23 April 6 May 1997 All in a day s work Class 37 4 RAIL No 303 EMAP Apex Publications pp 22 26 ISSN 0953 4563 OCLC 49953699 Dunn Pip 16 29 July 1997 Probably the best locomotive in the world Rail No 309 EMAP Apex Publications pp 40 45 ISSN 0953 4563 OCLC 49953699 Dunn Pip 30 July 12 August 1997 Re birth of a classic Rail No 310 EMAP Apex Publications pp 28 34 ISSN 0953 4563 OCLC 49953699 Dunn Pip 12 25 August 1998 Clean and green a pioneer is honoured at last Rail No 337 EMAP Apex Publications pp 36 40 ISSN 0953 4563 OCLC 49953699 External links Edit Wikimedia Commons has media related to British Rail Class 37 The Class 37 Locomotive Group Owners of 37003 The Growler Group Class 37 37215 37248 custodians Retrieved from https en wikipedia org w index php title British Rail Class 37 amp oldid 1130980556, wikipedia, wiki, book, books, library,

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