Toyota H engine

The Toyota H engine was first produced in 1967 but did not reach road cars till 1972. It is not a successor to the older and larger Toyota D engine [ja].

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.

Toyota H engine
Overview
ManufacturerToyota Motor Company
Production1967-1990
Layout
ConfigurationStraight-6
Displacement3.6 L (3,576 cc)
4.0 L (3,980 cc)
Cylinder bore88 mm (3.46 in)
91 mm (3.58 in)
Piston stroke98 mm (3.86 in)
102 mm (4.02 in)
Cylinder block materialCast iron
Cylinder head materialCast iron
ValvetrainOHV with 2 valves per cylinder
Valvetrain drive systemTiming gears
Compression ratio18.6:1-22.0:1
RPM range
Idle speed650-750 rpm
Combustion
TurbochargerToyota CT26 on 12H-T
Fuel systemMechanical fuel injection
Direct injection
Fuel typeDiesel
Oil systemWet sump
Cooling systemWater-cooled
Output
Power output91–138 PS (90–136 hp; 67–101 kW)
Torque output205–313 N⋅m (21–32 kg⋅m; 151–231 lb⋅ft)
Chronology
PredecessorToyota D engine
SuccessorToyota HZ engine