The Toyota Y engine is a series of
overhead valve
An overhead valve (OHV) engine, sometimes called a ''pushrod engine'', is a piston engine whose valves are located in the cylinder head above the combustion chamber. This contrasts with earlier flathead engines, where the valves were located be ...
straight-four
A straight-four engine (also called an inline-four) is a four-cylinder piston engine where cylinders are arranged in a line along a common crankshaft.
The vast majority of automotive four-cylinder engines use a straight-four layout (with the e ...
petrol engine
A petrol engine (gasoline engine in American English) is an internal combustion engine designed to run on petrol (gasoline). Petrol engines can often be adapted to also run on fuels such as liquefied petroleum gas and ethanol blends (such as '' ...
s manufactured by
Toyota
is a Japanese multinational automotive manufacturer headquartered in Toyota City, Aichi, Japan. It was founded by Kiichiro Toyoda and incorporated on . Toyota is one of the largest automobile manufacturers in the world, producing about 10 ...
from 1982 through 1996. The Y engine has mostly been used in commercial and off-road vehicles.
The valve arrangement from the
Toyota K engine is interchangeable with this engine.
Translated from Japanese Wiki
:ja:トヨタ・Y型エンジン
1Y
There is also the 1Y-J, with the "J" suffix meaning that the engine is built to meet
emission standards for light commercial vehicles.
*OHV, eight valves
*Displacement:
*Bore × stroke:
*Reference output: , (gross figures, apply to both 1Y and 1Y-J)
Applications:
*
Toyota HiAce truck
*
Toyota LiteAce (YM20, first generation)
*
Toyota ToyoAce
*
Toyota TownAce (YR10)
2Y
The 2Y engine is an OHV, eight valve construction just like the 1Y. It shares that engine's bore, but stroke is increased to for a displacement of . There are also 2Y-J and 2Y-U engines with differing emissions control equipment.
*OHV, eight valves
*Displacement:
*Bore × stroke:
*Compression ratio: 8.8:1
*Reference output (2Y): at 5,000 rpm, at 3,200 rpm (
net)
, (
gross)
Applications:
*5th generation
Toyota Mark II Van (YX76V, 2Y-J)
*3rd generation
Toyota HiAce van (YH50V/60V)
*
Toyota Hilux
The , stylized as HiLux and historically as Hi-Lux, is a series of pickup trucks produced and marketed by the Japanese automobile manufacturer Toyota. The majority of these vehicles are sold as pickup truck or cab chassis variants, although the ...
* Toyota TownAce van (YR25V)
*
Toyota LiteAce wagon (YM20/30G)
*
Volkswagen Taro
The Volkswagen Taro 1 tonne pickup truck was introduced in January 1989 by Volkswagen Commercial Vehicles to complement the half tonne Caddy pickup / panel van ranges, and the 1 tonne Transporter van and chassis cab ranges. The na ...
(a rebadged Hilux)
2Y-P
*OHV 8 valve (LPG)
*Displacement:
*Bore × stroke:
*Specifications: 4,600 rpm 2,200 rpm (net)
5,000 rpm 3,000 rpm (gross)
*LPG
Applications:
*
Toyota Corona (YT140)
*
Toyota Mark II (YX70)
3Y
There is also the emissions cleaned 3Y-U engine. A version of the 3Y is built by the Shenyang Xinguang-Brilliance Automobile Engine Co. in China as the 4G20B; this engine meets the Euro IV emissions standards.
*OHV 8 valve, carburetted
*Displacement:
*Bore × stroke:
*Compression ratio: 8.8:1
*Reference output: at 4,800 rpm, at 3,400 rpm
Applications:
* 3rd generation
Toyota HiAce truck/van/wagon (YH51G/61G/71G)
*
Hilux
*
Dyna/ToyoAce
* Aug 1983–Aug 1987
Crown (YS120, export models)
3Y-C
This is the low emissions carburetted motor with catalytic converter exhaust system
*OHV 8 valve
*Displacement:
*Inside Bore × Stroke:
*Compression ratio: 8.8:1
*Reference output: at 4600 rpm, at 3400 rpm
Applications:
*
LiteAce XTRA TRACK Wagon (YM40-RGMDSQ), (YM41-RVMDSQ)
* Toyota Townace Van (YR39)
3Y-E
*OHV 8 valve, fuel injection
*Displacement:
*Bore × stroke:
*Compression ratio: 8.8:1
*Reference output: at 4,800 rpm, at 3,800 rpm
Applications:
* Feb 1993–Apr 1997
Toyota Mark II (YX78V, fifth generation)
* Aug 1988–Dec 1995
Mark II (YX80)
* Apr 1989–Aug 1991 Hilux Surf (YN130G)
*
Daihatsu Rocky (F75, F85 - Australia 1988 model year only)
* 1996
Toyota Classic
The Toyota Classic is a limited-production model produced by Toyota in 1996, and was styled after the Toyota AA of the 1930s-1940s (which was a visual copy of the Chrysler Airflow). It used a fifth generation Toyota Hilux, type GA-YN86 rear-whe ...
3Y-EU
*OHV 8 valve, fuel injection and emissions equipment
*Displacement:
*Bore × stroke:
*Reference output: at 5000 rpm, at 3600 rpm (gross)
at 4800 rpm, at 3800 rpm (net)
Applications:
* Aug 1986–Mar1989
Hilux Surf/
4Runner (YN61G)
*
TownAce Wagon/MasterAce Surf (YR21G)
*
Daihatsu Delta Wagon (YB21G)
3Y-P
*OHV 8 valve (LPG)
*Displacement:
*Bore × stroke:
*Output: at 4,600 rpm, at 3,000 rpm
Applications:
* Sep1987–Aug1989
Crown Sedan (YS130)
* Aug1988–Dec 1995 Mark II sedan (YX80)
3Y-PU
*OHV 8 valve (LPG, emissions equipment)
*Displacement:
*Bore × stroke:
*Reference output: at 5,000 rpm, at 3,000 rpm (gross)
at 4,600 rpm, 2,000 rpm (net)
Applications:
* Aug 1983–Aug 1987 Crown (YS120)
3Y-PE
*OHV 8 valve (LPG, fuel injection)
*Displacement:
*Bore × stroke:
*Compression ratio: 10.5:1
*Reference output: at 4600 rpm, at 2400 rpm (August 1989 until November 1995)
at 4400 rpm, at 2400 rpm (1995 December)
Applications:
* Aug 1989–Nov 1999
Crown (YS130)
* Dec 1995–Aug 2008
Comfort
Comfort (or being comfortable'')'' is a sense of physical or psychological ease, often characterized as a lack of hardship. Persons who are lacking in comfort are uncomfortable, or experiencing discomfort. A degree of psychological comfort c ...
(YXS10)
* Dec 1995–Aug 2008
Comfort
Comfort (or being comfortable'')'' is a sense of physical or psychological ease, often characterized as a lack of hardship. Persons who are lacking in comfort are uncomfortable, or experiencing discomfort. A degree of psychological comfort c ...
(YXS11)
4Y
*OHV eight-valve
*Displacement:
*Bore and stroke:
This engine was available either carburetted (4Y) or fuel injected (4Y-E, called the GW491Q/LJ491Q and also 4G22B for Chinese manufacture). As fitted to a 1989 Daihatsu Delta truck, the carburetted 4Y produces at 4400 rpm (SAE net) and at 3000 rpm.
['' Delta'' (brochure), p. 24]
;Applications:
* 1987.09 - 1995.12
Toyota Crown (YS132, overseas specifications)
*
Toyota Van (Town Ace overseas specification, Tarago in Australia)
*
Hiace third generation (overseas specification)
* 1979-1988
Toyota Stout (YK110)
*
Daihatsu Delta
* 1993-1995
Daihatsu Rocky F95
* Toyota Industries forklifts
* Toyota 4Runner (Australia)
*
Volkswagen Taro
The Volkswagen Taro 1 tonne pickup truck was introduced in January 1989 by Volkswagen Commercial Vehicles to complement the half tonne Caddy pickup / panel van ranges, and the 1 tonne Transporter van and chassis cab ranges. The na ...
* 1985–1997
Toyota Hilux
The , stylized as HiLux and historically as Hi-Lux, is a series of pickup trucks produced and marketed by the Japanese automobile manufacturer Toyota. The majority of these vehicles are sold as pickup truck or cab chassis variants, although the ...
fourth and fifth generation
References
{{reflist
Y engine
Straight-four engines
Gasoline engines by model