Global InformationMitsubishi 4M4 engine information
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| Mitsubishi 4M4 engine | |
|---|---|
| Overview | |
| Manufacturer | Mitsubishi Motors |
| Production | 06/1994- |
| Layout | |
| Configuration | Straight-4 |
| Displacement | 2.8–3.2 L (2,835–3,200 cc) |
| Cylinder bore | 95 mm (3.74 in) 98.5 mm (3.88 in) 95 mm (3.74 in) |
| Piston stroke | 100 mm (3.94 in) 105 mm (4.13 in) 105 mm (4.13 in) |
| Cylinder block material | Cast iron |
| Valvetrain | SOHC, DOHC 4 valves x cyl. |
| Compression ratio | 16.0:1-21.0:1 |
| Combustion | |
| Turbocharger |
|
| Fuel system | Zexel Mechanical or Electronically controlled Distributor type injection pump Denso Common rail direct injection |
| Fuel type | Diesel |
| Cooling system | Water-cooled |
| Output | |
| Power output | 59–147 kW (80–200 PS) |
| Torque output | 198–441 N⋅m (146–325 lb⋅ft) |
The Mitsubishi 4M4 engine is a range of four-cylinder diesel piston engines from Mitsubishi Motors, first introduced in the second generation of their Montero/Pajero/Shogun SUVs. They superseded the previous 4D5 engine family, main differences are enlarged displacements and the utilization of one or two over-head camshafts. Originally available only as a 2835 cc intercooled turbo, detail improvements in 1996 and a larger 3.2 litre option in 1999 served to improve power, torque, fuel economy and emissions. The final version has 3.0 litres swept volume and Common rail direct injection.[1]
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