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 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 Toyota TownAce van (YR25V) Toyota LiteAce wagon (YM20/30G) Volkswagen Taro (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 3Y-EU OHV 8