Mitsubishi 4M4 engine
| 4M4 | |
|---|---|
| Overview | |
| Manufacturer | Mitsubishi Motors |
| Combustion chamber | |
| Cylinder block alloy | Cast iron |
The Mitsubishi 4M4 engine is a range of four-cylinder diesel engines from Mitsubishi Motors, first introduced in the second generation of their Montero/Pajero/Shogun SUVs. They superseded the previous 4D5 engine family, although they did not replace them.
Originally available only as a 2.8 L intercooled turbo, detail improvements in 1996 and a larger 3.2 L option in 1999 served to improve power, torque, fuel economy and emissions.
4M40
- Engine type — Inline 4-cylinder SOHC
- Displacement — 2835 cc
- Bore — 95 mm
- Stroke — 100 mm
- Fuel type — Diesel
Turbo
- Compression ratio — 21:1
- Power — 92 kW (125 PS) at 4000 rpm
- Torque — 294 N·m (217 lb·ft) at 2000 rpm
Intercooled turbo
- Fuel system — Electronic control or mechanical type distribution jet pump
- Compression ratio — 21:1
- Power — 103 kW (140 PS) at 4000 rpm
- Torque — 314 N·m (232 lb·ft) at 2000 rpm
Naturally aspirated
- Fuel system — Distributor type injection pump
- Compression ratio — 21:1
- Power — 59 kW (80 PS) at 4000 rpm
- Torque — 198 N·m (146 lb·ft) at 2000 rpm
4M41
- Engine type — Inline 4-cylinder DOHC 16 valve
- Displacement — 3200 cc
- Bore — 98.5 mm
- Stroke — 105.0 mm
- Fuel type — Diesel
Intercooled turbo
- Fuel system — Electronic control type distributor type pump (direct injection inside diesel tube) or Common Rail Direct Injection
- Compression ratio — 17:1
- Power — 121 kW (165 PS) at 4000 rpm
- Torque — 351 N·m (259 lb·ft) at 2000-3000 rpm
Applications:
- 1999-2006 Mitsubishi Pajero
- 2005-2011 Mitsubishi Triton / L200 / Strada
- 2006-Present Mitsubishi Pajero (Philippine Domestic Market)
- 2008-2011 Mitsubishi Pajero Sport / Montero Sport
1st Generation Variable geometry intercooled turbo
- Fuel system — Common Rail Direct Injection
- Compression ratio — 17:1, 16.0:1
- Power — 129 kW (175 PS) at 3800 rpm
- Torque — 382 N·m (282 lb·ft) at 2000 rpm
Applications:
- 2006-Present Mitsubishi Pajero
2nd Generation Variable geometry intercooled turbo
- Fuel system — Common Rail Direct Injection
- Compression ratio — 17:1, 16.0:1
- Power —147 kW (200 PS) at 3800 rpm
- Torque — 441 N·m (325 lb·ft) at 2000 rpm
Applications:
- 2010–present Mitsubishi Pajero
See also
transmission case
4M42
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