Toyota H engine


The Toyota H engine was first produced in 1967 but did not reach road cars until 1972. The H engine was then replaced by the 2H engine and the 12H-T turbo engine. It was succeeded by the more advanced SOHC HZ series engine.

H

The H is a 3.6 L inline 6, 12-valve OHV diesel engine. Bore is 88 mm and stroke is 98 mm, with a compression ratio of 21:1. Output is at 3,600 rpm with of torque at 2,200 rpm.
Applications

2H

The 2H is a 4.0 L inline 6, 12 valve OHV indirect injection diesel engine. Bore is 91 mm and stroke is 102 mm, with a compression ratio of 20.7:1. Output is at 3,500 rpm - later production years 107 hp with 177 lb·ft of torque at 2,000 rpm. This engine weighs in European trim from 1985. Compared to its predecessor, the 2H proved to be much more reliable.
Applications

12H-T

The 12H-T is a 4.0 L inline 6, 12 valve OHV turbocharged direct injection diesel engine. Bore is 91 mm and stroke is 102 mm, with a compression ratio of 18.6:1. Output is at 3500 rpm with of torque at 1,800 rpm, on the stock configuration of 7 PSI of boost.