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Toyota K engine | |
---|---|
Overview | |
Manufacturer | Toyota |
Production | 1966–2007 |
Layout | |
Configuration | Naturally aspirated straight-four |
Cylinder block material | Cast iron |
Cylinder head material | Aluminium alloy |
Valvetrain | OHV 2 valves per cylinder |
Valvetrain drive system | Timing chain |
Combustion | |
Fuel system | Carburettor Multi-port fuel injection |
Fuel type | Petrol |
Oil system | Wet sump |
Cooling system | Water-cooled |
Output | |
Power output | 45–83 PS (33–61 kW; 44–82 hp) |
Torque output | 66–147 N⋅m (7–15 kg⋅m; 49–108 lb⋅ft) |
Chronology | |
Successor | Toyota E engine (up to 1.3 L models) |
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.
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.)
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:
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:
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.
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 |
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:
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:
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:
The Toyota A Series engines are a family of inline-four internal combustion engines with displacement from 1.3 L to 1.8 L produced by Toyota Motor Corporation. The series has cast iron engine blocks and aluminum cylinder heads. To make the engine as short as possible, the cylinders are siamesed.
The Daihatsu Charmant is a subcompact sedan built by Daihatsu of Japan, based on the Toyota Corolla. It was succeeded by the Daihatsu Applause two years after Charmant production ended. The Charmant was heavily based on the E20 Toyota Corolla; model changes paralleled those of the Corolla. All Charmants were fitted with Toyota inline-four engines, ranging from 1.2 to 1.6 litres. The word charmant is French for "charming."
The Toyota JZ engine family is a series of inline-6 automobile engines produced by Toyota Motor Corporation. As a replacement for the M-series inline-6 engines, the JZ engines were 24-valve DOHC engines in 2.5- and 3.0-litre versions.
The Toyota ZZ engine family is a straight-4 piston engine series. The ZZ series uses a die-cast aluminium engine block with thin press-fit cast iron cylinder liners, and aluminium DOHC 4-valve cylinder heads. The camshafts are chain-driven. The two 1.8 L members of the family, the 1ZZ and 2ZZ, use different bore and stroke. The former was optimised for economy, with torque emphasised in lower revolutions per minute operating range, while the latter is a "square" design optimised for high-RPM torque, yielding higher peak power. The ZZ family replaced the extremely popular cast-iron block 4A engines.
The Toyota T series is a family of inline-4 automobile engines manufactured by Toyota beginning in 1970 and ending in 1985. It started as a pushrod overhead valve (OHV) design and later performance oriented twin cam (DOHC) variants were added to the lineup. Toyota had built its solid reputation on the reliability of these engines.
The Toyota Motor Corporation G-family engine is a family of straight-6 piston engines produced from 1979 to 2008. It is notable in that only a single displacement, 2.0 L (1,988 cc), was produced in this series. Initially belt-driven OHC non-interference engines, multivalve DOHC and variable valve timing were added later during the production run. The 1G-GEU was Toyota's first mass produced four-valve twincam engine. A prototype version of the 1G-GEU called the LASREα–X, featuring twin-turbos, variable valve timing and intake as well as variable displacement, was fitted to the Toyota FX-1 show car at the 1983 Tokyo Motor Show. It showcased a number of technologies which were later to become commonplace.
The Toyota E engine family is a straight-four piston engine series, and uses timing belts rather than chains. The E engines were the first multi-valve engines from Toyota designed with economy, practicality and everyday use in mind. Like many other Toyota engines from the era, the E engine series features a cast iron block, along with an aluminium cylinder head. E engines are lighter than earlier Toyota engines, due to the hollow crankshaft, thinned casting of the cylinder block, and several other reductions in auxiliaries as well as in the engine itself. Carbureted versions include a newly designed, variable-venturi carburetor. All of these changes improved economy and emissions. The members of the E engine family, range from 1.0 L to 1.5 L. The E family supplanted the K engines in most applications. A large number of parts in the E engine series are interchangeable between each other.
The L family is a family of inline four-cylinder diesel engines manufactured by Toyota, which first appeared in October 1977. It is the first diesel engine from Toyota to use a rubber timing belt in conjunction with a SOHC head. Some engines like the 2L-II and the 2L-T are still in production to the present day. As of August 2020, the 5L-E engine is still used in Gibraltar in the fifth-generation Toyota HiAce, eighth-generation Toyota Hilux, second-generation Toyota Fortuner, and fourth-generation Toyota Land Cruiser Prado. Vehicles with the diesel engine were exclusive to Toyota Japan dealership locations called Toyota Diesel Store until that sales channel was disbanded in 1988.
The Toyota Publica is a small car manufactured by the Japanese company Toyota from 1961 until 1978. Conceived as a family car to fulfill the requirements of the Japanese Government's "national car concept", it was the smallest Toyota car during that period and was superseded in that role by the Toyota Starlet, which itself started out as a version of the Publica. It was available as a 2-door vehicle only, but in a selection of body styles, ranging from the base sedan through a station wagon, convertible, coupé and even a coupe utility (pickup), which outlived the other models by a decade, and spawned other models, such as the Toyota Sports 800 and the Toyota MiniAce.
The Toyota B engine family was a series of inline-four diesel engines.
The ZR engine is a family of straight-four 16-valve all-aluminum and water cooled gasoline engines with a die-cast aluminum block and variable valve timing developed by Toyota Motor Corporation, produced from 2007. Engines displace from 1.6 to 2.0 liters. Most engines in this family are equipped with Toyota's dual VVT-i technology that optimizes both intake and exhaust valve timing. This engine family is also the first to use Toyota's Valvematic system, first appearing on the Noah and Voxy in 2007 and then the European Avensis in 2009.
The Toyota LiteAce and TownAce are a line of light commercial and derivative passenger vans produced by the Japanese car manufacturer Toyota. These vehicles originally utilized the cab-over-engine configuration, although since 1996 a semi-cab-over arrangement has featured instead. The LiteAce launched in 1970 as light-duty truck, with commercial and van/wagon body variants added in 1971. In 1976, Toyota released the larger TownAce van/wagon that derived from the LiteAce; a TownAce truck arrived later in 1978. Between 1982 and 1992, the series accommodated the MasterAce Surf—an upscale TownAce passenger wagon.
The Toyota SZ engine family is a series of straight-4 piston engines with a forward-facing exhaust. Toyota Motor Manufacturing (UK) in Deeside produces SZ engines for the Yaris. All three types of the SZ engine are built in Tianjin FAW Toyota Engine Co., Ltd. (TFTE) Plant No. 1 in Xiqing District, Tianjin, China. The 2SZ-FE and 3SZ-FE variations are also manufactured by PT Astra Daihatsu Motor's Karawang Engine Plant in Indonesia.
The Toyota Y engine is a series of overhead valve straight-four petrol engines manufactured by Toyota from 1982 through 1996. The Y engine has mostly been used in commercial and off-road vehicles.
The Corolla E20 was the second generation of cars sold by Toyota under the Corolla nameplate. Launched in May 1970, it featured "coke bottle styling" and had a longer 2,335 mm (91.9 in) wheelbase. The front suspension design was improved greatly, using a swaybar, however the rear remained relatively similar. The Corolla became the second-best selling car in the world that year. Grades for sedan were Standard, Deluxe, and Hi-Deluxe. The coupé was offered in Deluxe, SL, SR, and Levin trim levels.
The Corolla E30/E50 was the third generation of cars sold by Toyota under the Corolla nameplate. It was built from August 1974 to July 1981 and marked Toyota's greatest growth in the United States in the wake of the fuel crisis. In addition to its sister model, the Sprinter, there was a redesigned-body version built by Toyota affiliate Daihatsu, called the Daihatsu Charmant. While there were certain fourth-generation models with a longer model life, this generation, when considered as a whole, was the longest-lived one, possibly due to the worldwide recession in the 1970s. A large range of cars was built using this chassis, including Corollas, Sprinters, Daihatsu, and the sporty Levin and Trueno models with the DOHC motor, with a fuel injection upgrade added to Japanese Levin models in January 1977.
The ToyotaC engine family was a series of inline-4 diesel engines. There were two earlier generations of an engine Toyota named as the "Type C". The first generation was introduced in 1940 as a modification of the Type A engine. This first "Type C" was installed in the Toyota AE. The second generation was the first diesel engine at 1500cc used in the CS20 series 1959 Toyota Crown in October 1959. Japanese market vehicles with diesel engines were exclusive to Toyota Japan dealerships called Toyota Diesel Shop locations from 1979 until the dealership was cancelled in 1988.
The Toyota Sprinter Trueno is a series of compact sports coupés and hot hatches which were produced by Toyota from 1972 to 2000. The name Trueno in Spanish means thunder. In Japan, the Sprinter Trueno was exclusive to Toyota Auto Store locations, later renamed Toyota Vista Store in 1980.
The Toyota NR engine family is a series of small inline-four piston engines designed and manufactured by Toyota, with capacities between 1.2 and 1.5 litres.
The Daihatsu H-series engine is a range of four-stroke four-cylinder, internal combustion piston engines, designed by Daihatsu, which is a subsidiary of Toyota. These engines were produced from 1987 through 2009. Ranging from 1.3 L up to 1.6 L, these four-cylinder engines were built with lightness in mind, featuring a hollow crankshaft and camshaft, and the weight of a four-cylinder engine is similar to the 1.0 L three-cylinder CB engines. The H-series engine has aluminium engine blocks and cylinder heads, timing belt driven heads, water-cooled engine cooling system, equipped with both carburetors and Multi-Point Fuel Injection and only available in 16-valve SOHC design.
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