Mitsubishi 4M engine

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The Mitsubishi 4M engine is a range of four cylinder diesel engines from Mitsubishi Motors, first introduced in the third generation of their Montero/Pajero/Shogun SUVs. They superseded the previous 4D56 engine family, although they did not replace them.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.

Contents

Engine type — Inline 4 cylinder SOHC Displacement — 2835 cc
Bore — 95 mm
Stroke — 100 mm
Fuel type — Diesel

  • Fuel system — Distributor type injection pump
  • Compression ratio — 21:1
  • Power — 92 kW (125 PS) @ 4000 rpm
  • Torque — 294 N·m (217 ft·lbf) @ 2000 rpm

  • Fuel system — Electronic control type distribution type jet pump
  • Compression ratio — 21:1
  • Power — 103 kW (140 PS) @ 4000 rpm
  • Torque — 314 N·m (232 ft·lbf) @ 2000 rpm

Displacement — 3200 cc
Bore — 98.5 mm
Stroke — 105.0 mm
Fuel type — Diesel

  • 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) @ 3800 rpm
  • Torque — 351 N·m (259 ft·lbf) @ 2000 rpm

  • Fuel system — Electronic control type distributor type pump (direct injection inside diesel tube) or Common Rail Direct Injection
  • Compression ratio — 17:1
  • Power — 129 kW (175 PS) @ 3800 rpm
  • Torque — 382 N·m (282 ft·lbf) @ 2000 rpm

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