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Toyota K engine

March 12, 2023

This article is about the Toyota engine. For the Honda engine series of the same name, see Honda K engine.

The Toyota K series is an inline-four engine that was produced from 1966 through 2007. It is a two-valve pushrod engine design. It was originally built from the Toyota Kamigo plant in Toyota City factory in Japan.

Toyota K engine
4K engine in a Corolla DX
Overview
ManufacturerToyota
Production1966–2007
Layout
ConfigurationNaturally aspirated straight-four
Block materialCast iron
Head materialAluminium alloy
ValvetrainOHV 2 valves per cylinder
Timing drive systemTiming chain
Combustion
Fuel systemCarburettor
Multi-port fuel injection
Fuel typePetrol
Oil systemWet sump
Cooling systemWater-cooled
Output
Power output45–83 PS (33–61 kW; 44–82 hp)
Torque output66–147 N⋅m (7–15 kg⋅m; 49–108 lb⋅ft)
Chronology
SuccessorToyota E engine (up to 1.3 L models)

All K series are non-crossflow engines – the inlet and exhaust manifolds are on the same side. They have cast iron blocks and aluminium alloy heads, with a crankshaft supported by five main bearings. K series motors have both hydraulic tappet or hydraulic valve lifters, solid lifters and 1.5 ratio rockers with an adjustment thread for tappet clearance. 7k engines were released with only the hydraulic valve lifters from factory, whereas 4k and 5k engines were made with both hydraulic and solid lifters (depending on year and which model vehicle.)

K

 
1966 Toyota K engine

The 8-valve OHV 1.1 L (1,077 cc) K was produced from 1966 through 1969. A similar K-B was produced from 1968 through 1969, the -B designates twin carburettors. Thus equipped, the engine produces 73 PS (54 kW; 72 hp) at 6600 rpm.[1] The Publica SL received this more powerful version.

Applications:

2K

The eight-valve OHV 1.0 L (993 cc) 2K was produced from 1969 through 1988. The cylinder bore and stroke was 72 mm × 61 mm (2.83 in × 2.40 in).

Output in 1978 was 35 kW; 48 PS (47 hp) at 5800 rpm, and 66 N⋅m; 48 lbf⋅ft (6.7 kg⋅m) at 3800 rpm.[2] In 1983, New Zealand received a version with 40 kW (54 PS; 54 hp) at 5800 rpm, while Europe received a version with 33 kW (45 PS; 44 hp) at 5600 rpm, both with a maximum torque of 66 N⋅m; 48 lbf⋅ft (6.7 kg⋅m) at 4000 rpm.

Applications:

3K

 
Toyota 3K engine.

The eight-valve overhead valve 1.2 L (1,166 cc) 3K was produced from 1969 through 1977. Cylinder bore and stroke was 75 mm × 66 mm (2.95 in × 2.60 in).

The 1969 through 1975 3K-B was a twin-carburetor version. The California-spec 3K-C (1977–1979) and 3K-H were other available versions.

Applications
Specifications
Code PS kW HP at rpm kgm Nm lb-ft at rpm Compr. Ratio Comments
3K 68 50 67 6000 9.5 93 69 3800 9.0:1
58 43 57 6300 8.1 79 59 3900 (DIN)[3]
74 54 73 6000 10.3 101 75 3800 Export (SAE gross)[4]
3K-B 77 57 76 6600 9.6 94 69 4600 10.0:1 Twin carburettors, high octane
64 47 63 6200 9.0 88 65 4000 (DIN)
84 62 83 6600 10.4 102 75 4600 Export (SAE gross)[4]
3K-BR 74 54 73 6600 9.5 93 69 4600 9.0:1 As 3K-B but for regular octane
3K-C 59 43 58 5800 8.7 85 63 3800 California emissions controls (SAE net)
3K-D 73 54 72 6600 9.6 94 69 4200 10.0:1 High compression, single carburettor
3K-H 71 52 70 6000 9.7 95 70 4200 9.0:1 High octane
55 40 54 6000 8.5 83 61 3800 (DIN)
3K-J[5] 64 47 63 5800 9.2 90 67 3600 Japanese emission controls for commercial vehicles
3K-HJ[5] 67 49 66 5800 9.4 92 68 3600 Japanese emission controls for commercial vehicles (Publica Van/Pickup, Starlet Van)
3K-U[5] 64 47 63 5800 9.2 90 67 3600 Japanese emission controls (TTC-C) ("Toyota Total Clean-Catalyst")
3K-R 183 135 180 9000 19.6 192 142 8200 13.0:1 TRD Racing circuit engine

4K

 
4K-U engine

The 1.3 L (1,290 cc) 4K was produced from 1977 through 1989. Cylinder bore and stroke was 75 mm × 73 mm (2.95 in × 2.87 in). It was an 8-valve OHV engine.

In 1980, the 4K produced 43 kW; 59 PS (58 hp) at 5250 rpm. From 1983 through 1984, output was 46 kW; 63 PS (62 hp) at 5600 rpm and 97 N⋅m; 72 lbf⋅ft (9.9 kg⋅m) at 3600 rpm.

The 1981 and 1982 California-spec 4K-C produced 43 kW; 59 PS (58 hp) at 5200 rpm and 90 N⋅m; 67 lbf⋅ft (9.2 kg⋅m) at 3600 rpm. Torque was up to 100 N⋅m; 74 lbf⋅ft (10.2 kg⋅m) at 3400 rpm for the fuel injected 1982 through 1984 4K-E. The Japan-spec 4K-U produced 55 kW; 75 PS (74 hp) at 5600 rpm and 105 N⋅m; 77 lbf⋅ft (10.7 kg⋅m) at 3600 rpm in 1982. Available in hydraulic and solid lifter configurations

Applications:

5K

 
Toyota 5K-C engine in a 1991 Liteace
 
5K engine in a 1993 Toyota Kijang

The 1.5 L (1,486 cc) 5K was produced from 1983 through 1996. Typical output is 55 kW (74 hp; 75 PS) at 5600 rpm. Bore and stroke is 80.5 mm × 73 mm (3.17 in × 2.87 in). It was available with either 4- or 5-speed manual transmissions. Like the smaller 4K model, it uses hydraulic lifters as well as solid lifters for the pushrod.[clarification needed]

Applications:

7K

 
7K-C engine in a 1996 Toyota Kijang

The 1.8 L (1,781 cc) 7K was first introduced in 1983. Cylinder bore and stroke was 80.5 mm × 87.5 mm (3.17 in × 3.44 in). Output was 60 kW; 81 PS (80 hp) at 4600 rpm and 139 N⋅m; 103 lbf⋅ft (14.2 kg⋅m) at 2800 rpm while the EFI version which can be found in Toyota Kijang KF80 produces 62 kW; 84 PS (83 hp) at 4600 rpm and 147 N⋅m; 108 lbf⋅ft (15 kg⋅m) at 3200 rpm. The Engine was available with a 5 speed manual & 4 speed automatic transmission. Available in both fuel injected and carburetted configurations, the 7K produces much more power and torque compared to the other K engines however it is a lot less 'rev happy' due to having such a long stroke.

7K-E is available in KR42 Townace SBV vans (1997–2007) using a large G52 5 speed gearbox (same bellhousing to box pattern as W55), or automatic.

Applications:

References

 
Wikimedia Commons has media related to Toyota K engines.
  1. ^ 2代目 パブリカ [Second generation Publica]. トヨタ自動車75年史 [75 years of Toyota history] (in Japanese). Toyota Motor Co.
  2. ^ Tekniikan Maailma Magazine (in Finnish) (#15). 1978. {{cite journal}}: Missing or empty |title= (help)
  3. ^ (PDF) (brochure) (in German), Germany, February 1973, p. 6, archived from the original (PDF) on 22 December 2022
  4. ^ a b Toyota Corolla: One of the Toyota Collection (brochure), Croydon, Surrey: Toyota (G.B.) Limited, 1972, p. 12
  5. ^ a b c トヨタオート [Toyota Auto] (catalog) (in Japanese), Toyota, June 1977, p. 13, 041183-5206
  6. ^ "5th Corolla Van". 75 years of history: Vehicle lineage. Toyota. Retrieved 16 November 2013.
  7. ^ List of RT140 Coronas sold in Japan. Toyota Motor Co., No. 261150
  8. ^ New Corona Van (Catalog), Japan: Toyota Motor Corporation, August 1985, No.121131-6008

See also

March 12, 2023
toyota, engine, this, article, about, toyota, engine, honda, engine, series, same, name, honda, engine, this, article, needs, additional, citations, verification, please, help, improve, this, article, adding, citations, reliable, sources, unsourced, material, . This article is about the Toyota engine For the Honda engine series of the same name see Honda K engine 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 Toyota K engine news newspapers books scholar JSTOR December 2009 Learn how and when to remove this template message The Toyota K series is an inline four engine that was produced from 1966 through 2007 It is a two valve pushrod engine design It was originally built from the Toyota Kamigo plant in Toyota City factory in Japan Toyota K engine4K engine in a Corolla DXOverviewManufacturerToyotaProduction1966 2007LayoutConfigurationNaturally aspirated straight fourBlock materialCast ironHead materialAluminium alloyValvetrainOHV 2 valves per cylinderTiming drive systemTiming chainCombustionFuel systemCarburettorMulti port fuel injectionFuel typePetrolOil systemWet sumpCooling systemWater cooledOutputPower output45 83 PS 33 61 kW 44 82 hp Torque output66 147 N m 7 15 kg m 49 108 lb ft ChronologySuccessorToyota E engine up to 1 3 L models All K series are non crossflow engines the inlet and exhaust manifolds are on the same side They have cast iron blocks and aluminium alloy heads with a crankshaft supported by five main bearings K series motors have both hydraulic tappet or hydraulic valve lifters solid lifters and 1 5 ratio rockers with an adjustment thread for tappet clearance 7k engines were released with only the hydraulic valve lifters from factory whereas 4k and 5k engines were made with both hydraulic and solid lifters depending on year and which model vehicle Contents 1 K 2 2K 3 3K 4 4K 5 5K 6 7K 7 References 8 See alsoK Edit 1966 Toyota K engine The 8 valve OHV 1 1 L 1 077 cc K was produced from 1966 through 1969 A similar K B was produced from 1968 through 1969 the B designates twin carburettors Thus equipped the engine produces 73 PS 54 kW 72 hp at 6600 rpm 1 The Publica SL received this more powerful version Applications Toyota Corolla KE1x Toyota Publica KP3x 2K EditThe eight valve OHV 1 0 L 993 cc 2K was produced from 1969 through 1988 The cylinder bore and stroke was 72 mm 61 mm 2 83 in 2 40 in Output in 1978 was 35 kW 48 PS 47 hp at 5800 rpm and 66 N m 48 lbf ft 6 7 kg m at 3800 rpm 2 In 1983 New Zealand received a version with 40 kW 54 PS 54 hp at 5800 rpm while Europe received a version with 33 kW 45 PS 44 hp at 5600 rpm both with a maximum torque of 66 N m 48 lbf ft 6 7 kg m at 4000 rpm Applications Toyota Publica 1000 KP30 KP36 Toyota Starlet3K Edit Toyota 3K engine The eight valve overhead valve 1 2 L 1 166 cc 3K was produced from 1969 through 1977 Cylinder bore and stroke was 75 mm 66 mm 2 95 in 2 60 in The 1969 through 1975 3K B was a twin carburetor version The California spec 3K C 1977 1979 and 3K H were other available versions ApplicationsToyota Corolla Toyota Kijang first generation Toyota Tamaraw Toyota LiteAce KM10 Toyota Publica later pickups and vans received the desmogged 3K HJ engine Toyota Starlet Toyota TownAce KR10 Daihatsu Charmant A10 Daihatsu Delta 750 KB10 SpecificationsCode PS kW HP at rpm kgm Nm lb ft at rpm Compr Ratio Comments3K 68 50 67 6000 9 5 93 69 3800 9 0 158 43 57 6300 8 1 79 59 3900 DIN 3 74 54 73 6000 10 3 101 75 3800 Export SAE gross 4 3K B 77 57 76 6600 9 6 94 69 4600 10 0 1 Twin carburettors high octane64 47 63 6200 9 0 88 65 4000 DIN 84 62 83 6600 10 4 102 75 4600 Export SAE gross 4 3K BR 74 54 73 6600 9 5 93 69 4600 9 0 1 As 3K B but for regular octane3K C 59 43 58 5800 8 7 85 63 3800 California emissions controls SAE net 3K D 73 54 72 6600 9 6 94 69 4200 10 0 1 High compression single carburettor3K H 71 52 70 6000 9 7 95 70 4200 9 0 1 High octane55 40 54 6000 8 5 83 61 3800 DIN 3K J 5 64 47 63 5800 9 2 90 67 3600 Japanese emission controls for commercial vehicles3K HJ 5 67 49 66 5800 9 4 92 68 3600 Japanese emission controls for commercial vehicles Publica Van Pickup Starlet Van 3K U 5 64 47 63 5800 9 2 90 67 3600 Japanese emission controls TTC C Toyota Total Clean Catalyst 3K R 183 135 180 9000 19 6 192 142 8200 13 0 1 TRD Racing circuit engine4K Edit 4K U engine The 1 3 L 1 290 cc 4K was produced from 1977 through 1989 Cylinder bore and stroke was 75 mm 73 mm 2 95 in 2 87 in It was an 8 valve OHV engine In 1980 the 4K produced 43 kW 59 PS 58 hp at 5250 rpm From 1983 through 1984 output was 46 kW 63 PS 62 hp at 5600 rpm and 97 N m 72 lbf ft 9 9 kg m at 3600 rpm The 1981 and 1982 California spec 4K C produced 43 kW 59 PS 58 hp at 5200 rpm and 90 N m 67 lbf ft 9 2 kg m at 3600 rpm Torque was up to 100 N m 74 lbf ft 10 2 kg m at 3400 rpm for the fuel injected 1982 through 1984 4K E The Japan spec 4K U produced 55 kW 75 PS 74 hp at 5600 rpm and 105 N m 77 lbf ft 10 7 kg m at 3600 rpm in 1982 Available in hydraulic and solid lifter configurationsApplications Toyota Corolla Toyota Kijang Toyota Liteace Toyota Starlet Daihatsu Charmant 1977 1979 Daihatsu Delta 750 KD11 5K Edit Toyota 5K C engine in a 1991 Liteace 5K engine in a 1993 Toyota Kijang The 1 5 L 1 486 cc 5K was produced from 1983 through 1996 Typical output is 55 kW 74 hp 75 PS at 5600 rpm Bore and stroke is 80 5 mm 73 mm 3 17 in 2 87 in It was available with either 4 or 5 speed manual transmissions Like the smaller 4K model it uses hydraulic lifters as well as solid lifters for the pushrod clarification needed Applications 1983 08 1987 10 Toyota Carina Van KA67V Van 5K J 1983 05 1987 08 Toyota Corolla Van KE74V 5K J 6 1983 10 1987 12 Toyota Corona Van KT147V Van 5K J 61 kW 82 hp 83 PS at 5 200 rpm 7 8 Toyota Liteace KR27 Van Toyota Liteace KM36 Van 49 kW 66 hp 67 PS at 4800 rpm 115 N m 85 lbf ft 11 7 kg m at 3200 rpm Toyota Kijang Tamaraw Toyota TownAce KR41 Van Toyota Forklift late 1980s early 1990s model 7K Edit 7K C engine in a 1996 Toyota Kijang The 1 8 L 1 781 cc 7K was first introduced in 1983 Cylinder bore and stroke was 80 5 mm 87 5 mm 3 17 in 3 44 in Output was 60 kW 81 PS 80 hp at 4600 rpm and 139 N m 103 lbf ft 14 2 kg m at 2800 rpm while the EFI version which can be found in Toyota Kijang KF80 produces 62 kW 84 PS 83 hp at 4600 rpm and 147 N m 108 lbf ft 15 kg m at 3200 rpm The Engine was available with a 5 speed manual amp 4 speed automatic transmission Available in both fuel injected and carburetted configurations the 7K produces much more power and torque compared to the other K engines however it is a lot less rev happy due to having such a long stroke 7K E is available in KR42 Townace SBV vans 1997 2007 using a large G52 5 speed gearbox same bellhousing to box pattern as W55 or automatic Applications Toyota Kijang Tamaraw FX Revo Toyota LiteAce TownAceReferences Edit Wikimedia Commons has media related to Toyota K engines 2代目 パブリカ Second generation Publica トヨタ自動車75年史 75 years of Toyota history in Japanese Toyota Motor Co Tekniikan Maailma Magazine in Finnish 15 1978 a href Template Cite journal html title Template Cite journal cite journal a Missing or empty title help Toyota Corolla 1200 PDF brochure in German Germany February 1973 p 6 archived from the original PDF on 22 December 2022 a b Toyota Corolla One of the Toyota Collection brochure Croydon Surrey Toyota G B Limited 1972 p 12 a b c トヨタオート Toyota Auto catalog in Japanese Toyota June 1977 p 13 041183 5206 5th Corolla Van 75 years of history Vehicle lineage Toyota Retrieved 16 November 2013 List of RT140 Coronas sold in Japan Toyota Motor Co No 261150 New Corona Van Catalog Japan Toyota Motor Corporation August 1985 No 121131 6008See also EditList of Toyota engines Toyota K transmission Retrieved from https en wikipedia org w index php title Toyota K engine amp oldid 1128963625, wikipedia, wiki, book, books, library,

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