 | This article relies largely or entirely on a single source. (January 2019) |
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.
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 | |
| Manufacturer | Toyota Motor Company |
| Production | 1967-1990 |
| Layout | |
| Configuration | Straight-6 |
| Displacement | 3.6 L (3,576 cc) 4.0 L (3,980 cc) |
| Cylinder bore | 88 mm (3.46 in) 91 mm (3.58 in) |
| Piston stroke | 98 mm (3.86 in) 102 mm (4.02 in) |
| Cylinder block material | Cast iron |
| Cylinder head material | Cast iron |
| Valvetrain | OHV with 2 valves per cylinder |
| Valvetrain drive system | Timing gears |
| Compression ratio | 18.6:1-22.0:1 |
| RPM range | |
| Idle speed | 650-750 rpm |
| Combustion | |
| Turbocharger | Toyota CT26 on 12H-T |
| Fuel system | Mechanical fuel injection Direct injection |
| Fuel type | Diesel |
| Oil system | Wet sump |
| Cooling system | Water-cooled |
| Output | |
| Power output | 91–138 PS (90–136 hp; 67–101 kW) |
| Torque output | 205–313 N⋅m (21–32 kg⋅m; 151–231 lb⋅ft) |
| Chronology | |
| Predecessor | Toyota D engine |
| Successor | Toyota HZ engine |