The Toyota P engine family is an overhead valve inline-four engine produced from October 1959 through 1994. Originally fitted to the Corona passenger car, it was soon relegated to commercial use vehicles and for its latter two decades it mostly powered various forklifts.

P

The 997 cc P was produced from 1959 through 1961. Bore and stroke are 69.9x65 mm.

2P

The 1198 cc 2P was produced from 1961 through 1972. This was bored out to 76.6 mm, while retaining the short 65 mm stroke. Power is 55 PS at 5,000 rpm, while torque is 8.8 kgm at 2,800 rpm.

3P

The 1345 cc 3P was produced from 1967 through 1979. Bore and stroke is 76.6x73 mm. Power is usually 65 PS at 5,000 rpm, with torque of 10.3 kgm at 3,000 rpm.

4P

The 1493 cc 4P (retaining the 76.6 mm bore but with a longer 81 mm stroke) mostly saw use in off-road equipment such as forklifts and loaders, where it was used until at least 1994 for the Toyota 5FGL. It produces 30 PS at 2400 rpm as fitted to the Toyota 2SGK6 loader (1993). In the 1972 2FG20 2-ton forklift it has 35 PS at 2800 rpm.