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ALCO RS-3

April 11, 2024

The ALCO RS-3 is a 1,600 hp (1.2 MW), B-B diesel-electric locomotive manufactured from May 1950 to August 1956 by American Locomotive Company (ALCO) and its subsidiary Montreal Locomotive Works (MLW). A total of 1,418 were produced: 1,265 for American railroads, 98 for Canadian railroads, 48 for Brazilian railroads, and seven for Mexican railroads.

ALCO RS-3
Type and origin
Power typeDiesel-electric
BuilderAmerican Locomotive Company
Montreal Locomotive Works
ModelRS-3
Build dateMay 1950 – August 1956
Total produced1,418
Specifications
Configuration:
​
 • AARB-B
Gauge4 ft 8+1⁄2 in (1,435 mm);
5 ft 3 in (1,600 mm) for Brazil
TrucksAAR type B
Wheel diameter40 in (1,016 mm)
Minimum curve21°
Wheelbase39 ft 4 in (11.99 m)
Length56 ft 6 in (17.22 m)
Width10 ft 1+5⁄8 in (3.09 m)
Height14 ft 5+1⁄8 in (4.40 m)
Loco weight247,100 lb (112,100 kg)
Prime moverAlco 244-C
Engine typeV12 Four stroke diesel
AspirationTurbocharger
GeneratorGE GT-581
Traction motors(4) GE 752
Cylinders12
Cylinder size9 in × 10+1⁄2 in (229 mm × 267 mm)
Performance figures
Maximum speed65–85 mph (105–137 km/h)
Power output1,600 hp (1.2 MW)
Tractive effort61,775 lb (28,021 kg)
Career
LocaleNorth America; Spain (purchased from US railroads); Brazil (MLW);

The RS-3 greatly resembled the RS-1 and RS-2,[1][2] but it had 100 more horsepower thanks to its 12-cylinder, 1,600 hp ALCO Model 244 engine. It also had some changes to the fuel system and body shape.[3]

Much like the RS-1, many RS-3s served for decades; some are still in use as of 2022.

Variants edit

RSC-3: an RS-3 that used 3-axle trucks instead of 2-axle trucks. The middle axle on each truck was unpowered. This variant was designed for service on light track, as the extra axles better spread the weight of the locomotive.[3]

RS-3m: an RS-3s whose engines was replaced with the more reliable EMD 567B engine.

Competition edit

ALCO built the RS-3 to compete with EMD, Fairbanks-Morse, and Baldwin Locomotive Works—and in particular with EMD's GP7, introduced in 1949.

The arrival of the 1,500-hp GP7 led ALCO, Fairbanks-Morse, and Baldwin to increased the power of an existing locomotive line from 1,500 to 1,600 hp (1.1 to 1.2 MW) and add more improvements to create new locomotive lines. In 1950, Fairbanks-Morse introduced the 1,600 hp (1.2 MW) H-16-44, while Baldwin introduced the 1,600 hp (1.2 MW) Baldwin AS-16. ALCO's 1,500 hp (1.1 MW) line was the RS-2, although 31 were built in 1950 with 1,600 hp (1.2 MW). Fairbanks-Morse's 1,500 hp (1.1 MW) line was the H-15-44. Baldwin's 1,500 hp (1.1 MW) line was the Baldwin DRS-4-4-1500. EMD kept its GP7 at 1,500 hp (1.1 MW) until 1954, when it introduced the GP9, rated at 1,750 hp (1.30 MW).

In the end, EMD won the road switcher production race. EMD produced 2,729 GP7s. ALCO produced 377 RS-2s, and 1,418 RS-3s. Fairbanks-Morse produced 30 H-15-44s, and 296 H-16-44s. Baldwin produced 32 DRS-4-4-15s, and 127 AS-16s.

Exports edit

Brazil edit

In 1952, the Brazilian railway the Estrada de Ferro Central do Brasil purchased forty six new RS-3s from the Montreal Locomotive Works. Some are still active as work train engines for CPTM, Supervia, and CBTU – BH respectively São Paulo's, Rio de Janeiro's and Belo Horizonte's commuter railways. In Brazil these units were nicknamed Canadians or Hot Tails.

Spain edit

In 1964, the Spanish railway the Ferrocarril de Langreo purchased four RS-3s from the Terminal Railroad Association of St. Louis. A fifth unit, number 1604, was purchased in 1971 from the Burlington Northern Railroad (BN), a piece of surplus Great Northern Railway stock from the 1970 merger that formed BN. The locomotives served until 1984, when the line was converted to 1,000 mm (3 ft 3+3⁄8 in) metre gauge.[4]

See also edit

References edit

 
Wikimedia Commons has media related to ALCO RS-3 locomotives.
  1. ^ Pinkepank, Jerry A. (1973). The Second Diesel Spotter's Guide. Kalmbach Publishing Co., Milwaukee, WI. pp. 243–244. ISBN 0-89024-026-4.
  2. ^ Foster, Gerald L. (1996). A field guide to trains of North America. Boston: Houghton Mifflin. p. 20. ISBN 0-395-70112-0.
  3. ^ a b Schafer, Mike (1998). Vintage diesel locomotives. Osceola, WI: Motorbooks International. p. 52. ISBN 0-7603-0507-2. OCLC 38738930.
  4. ^ "Ferrocarril de Langreo en Asturias". AlcoWorld. 2000-05-14. Retrieved 2007-09-13.

Bibliography edit

  • Dorin, Patrick C. (1972). Chicago and North Western Power. Burbank, California: Superior Publishing. p. 140. ISBN 0-87564-715-4.
  • Solomon, Brian (2000). The American diesel locomotive. MCI Publishing Company. ISBN 0-7603-0666-4.
  • Coelho, Eduardo J. J.; Setti, João B. (1993). A era diesel na EFCB. Associação dos Engenheiros Ferroviários.

April 11, 2024
alco, this, article, includes, list, general, references, lacks, sufficient, corresponding, inline, citations, please, help, improve, this, article, introducing, more, precise, citations, june, 2017, learn, when, remove, this, template, message, diesel, electr. This article includes a list of general references but it lacks sufficient corresponding inline citations Please help to improve this article by introducing more precise citations June 2017 Learn how and when to remove this template message The ALCO RS 3 is a 1 600 hp 1 2 MW B B diesel electric locomotive manufactured from May 1950 to August 1956 by American Locomotive Company ALCO and its subsidiary Montreal Locomotive Works MLW A total of 1 418 were produced 1 265 for American railroads 98 for Canadian railroads 48 for Brazilian railroads and seven for Mexican railroads ALCO RS 3A former Central Railroad of New Jersey ALCO RS 3 at Steamtown National Historic SiteType and originPower typeDiesel electricBuilderAmerican Locomotive CompanyMontreal Locomotive WorksModelRS 3Build dateMay 1950 August 1956Total produced1 418SpecificationsConfiguration AARB BGauge4 ft 8 1 2 in 1 435 mm 5 ft 3 in 1 600 mm for BrazilTrucksAAR type BWheel diameter40 in 1 016 mm Minimum curve21 Wheelbase39 ft 4 in 11 99 m Length56 ft 6 in 17 22 m Width10 ft 1 5 8 in 3 09 m Height14 ft 5 1 8 in 4 40 m Loco weight247 100 lb 112 100 kg Prime moverAlco 244 CEngine typeV12 Four stroke dieselAspirationTurbochargerGeneratorGE GT 581Traction motors 4 GE 752Cylinders12Cylinder size9 in 10 1 2 in 229 mm 267 mm Performance figuresMaximum speed65 85 mph 105 137 km h Power output1 600 hp 1 2 MW Tractive effort61 775 lb 28 021 kg CareerLocaleNorth America Spain purchased from US railroads Brazil MLW The RS 3 greatly resembled the RS 1 and RS 2 1 2 but it had 100 more horsepower thanks to its 12 cylinder 1 600 hp ALCO Model 244 engine It also had some changes to the fuel system and body shape 3 Much like the RS 1 many RS 3s served for decades some are still in use as of 2022 Contents 1 Variants 2 Competition 3 Exports 3 1 Brazil 3 2 Spain 4 See also 5 References 5 1 BibliographyVariants editRSC 3 an RS 3 that used 3 axle trucks instead of 2 axle trucks The middle axle on each truck was unpowered This variant was designed for service on light track as the extra axles better spread the weight of the locomotive 3 RS 3m an RS 3s whose engines was replaced with the more reliable EMD 567B engine Competition editALCO built the RS 3 to compete with EMD Fairbanks Morse and Baldwin Locomotive Works and in particular with EMD s GP7 introduced in 1949 The arrival of the 1 500 hp GP7 led ALCO Fairbanks Morse and Baldwin to increased the power of an existing locomotive line from 1 500 to 1 600 hp 1 1 to 1 2 MW and add more improvements to create new locomotive lines In 1950 Fairbanks Morse introduced the 1 600 hp 1 2 MW H 16 44 while Baldwin introduced the 1 600 hp 1 2 MW Baldwin AS 16 ALCO s 1 500 hp 1 1 MW line was the RS 2 although 31 were built in 1950 with 1 600 hp 1 2 MW Fairbanks Morse s 1 500 hp 1 1 MW line was the H 15 44 Baldwin s 1 500 hp 1 1 MW line was the Baldwin DRS 4 4 1500 EMD kept its GP7 at 1 500 hp 1 1 MW until 1954 when it introduced the GP9 rated at 1 750 hp 1 30 MW In the end EMD won the road switcher production race EMD produced 2 729 GP7s ALCO produced 377 RS 2s and 1 418 RS 3s Fairbanks Morse produced 30 H 15 44s and 296 H 16 44s Baldwin produced 32 DRS 4 4 15s and 127 AS 16s Exports editBrazil edit In 1952 the Brazilian railway the Estrada de Ferro Central do Brasil purchased forty six new RS 3s from the Montreal Locomotive Works Some are still active as work train engines for CPTM Supervia and CBTU BH respectively Sao Paulo s Rio de Janeiro s and Belo Horizonte s commuter railways In Brazil these units were nicknamed Canadians or Hot Tails Spain edit In 1964 the Spanish railway the Ferrocarril de Langreo purchased four RS 3s from the Terminal Railroad Association of St Louis A fifth unit number 1604 was purchased in 1971 from the Burlington Northern Railroad BN a piece of surplus Great Northern Railway stock from the 1970 merger that formed BN The locomotives served until 1984 when the line was converted to 1 000 mm 3 ft 3 3 8 in metre gauge 4 See also editList of ALCO diesel locomotives List of MLW diesel locomotivesReferences edit nbsp Wikimedia Commons has media related to ALCO RS 3 locomotives Pinkepank Jerry A 1973 The Second Diesel Spotter s Guide Kalmbach Publishing Co Milwaukee WI pp 243 244 ISBN 0 89024 026 4 Foster Gerald L 1996 A field guide to trains of North America Boston Houghton Mifflin p 20 ISBN 0 395 70112 0 a b Schafer Mike 1998 Vintage diesel locomotives Osceola WI Motorbooks International p 52 ISBN 0 7603 0507 2 OCLC 38738930 Ferrocarril de Langreo en Asturias AlcoWorld 2000 05 14 Retrieved 2007 09 13 Bibliography edit Dorin Patrick C 1972 Chicago and North Western Power Burbank California Superior Publishing p 140 ISBN 0 87564 715 4 Solomon Brian 2000 The American diesel locomotive MCI Publishing Company ISBN 0 7603 0666 4 Coelho Eduardo J J Setti Joao B 1993 A era diesel na EFCB Associacao dos Engenheiros Ferroviarios Retrieved from https en wikipedia org w index php title ALCO RS 3 amp oldid 1197385423, 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