The Mitsubishi 4M4 engine is a range of four-cylinder diesel

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Mitsubishi Motors is a Japanese Multinational corporation, multinational Automotive industry, automobile manufacturer headquartered in Minato, Tokyo, Japan.

, 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 They superseded the previous '' 4D5'' engine family, main differences are enlarged displacements and the utilization of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 1 (one, unit, unity) is a number, numeral, and glyph. It is the first and smallest positive integer of the infinite sequence of natural numbers. This fundamental property has led to its unique uses in other fields, ranging from science to sp ...

or two over-head camshafts. Originally available only as a 2835 cc intercooled

turbo In an internal combustion engine, a turbocharger (also known as a turbo or a turbosupercharger) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake air, forcing more air into the ...

, detail improvements in 1996 and a larger 3.2 litre option in 1999 served to improve power,

torque In physics and mechanics, torque is the rotational analogue of linear force. It is also referred to as the moment of force (also abbreviated to moment). The symbol for torque is typically \boldsymbol\tau, the lowercase Greek letter ''tau''. Wh ...

, fuel economy and emissions. The final version has 3.0 litres swept volume and Common rail direct injection.

4M40

Inline 4-cylinder SOHC, bore x stroke = , , swirl combustion chamber

Naturally aspirated

Compression ratio 21.0:1, Zexel Distributor type injection pump, at 4000 rpm, at 2000 rpm Applications: * 1996–1999 Canter (lightest-duty), , at 2000 rpm

Intercooled turbo gen 1

Compression ratio 21.0:1, at 4000 rpm, at 2000 rpm Applications: * 1993–1999 Pajero (second generation) * 1996–2013 Mitsubishi Type 73 light truck, second generation * 1998–2003 Triton/L200 Sport 4x4 * 1999–2009 Mitsubishi Colt LDV 4x4

Intercooled turbo gen 2

Compression ratio 21.0:1, Zexel Electronically controlled or Mechanical controlled distributor type Injection Pump, at 4000 rpm, at 2000 rpm Applications: * 2003–2006 Triton/L200 Sport 4x4 * 1994–2006 L400 Delica

4M41

Inline 4-cylinder DOHC 16 valve, Bore x Stroke ,

Intercooled turbo

Compression ratio 17.0:1, Zexel Electronic control type distributor type pump (direct injection inside diesel tube) or Denso Common Rail direct injection, at 4000 rpm, at 2000-3000 rpm Applications: *1999-2006 Pajero (third generation) *2005-2011 Triton/L200/Strada, 118 kW (160 PS) at 3800 rpm, 343 N⋅m (253 lb⋅ft) at 2000 rpm *2004-2006 Pajero (Philippine Domestic Market), 121 kW (165 PS) at 3800 rpm, 373 N⋅m (276 lb⋅ft) at 2000 rpm *2008-2011 Pajero Sport/Montero Sport, 120 kW (163 PS) at 3500 rpm, 343 N⋅m (253 lb⋅ft) at 2000 rpm

Variable geometry intercooled turbo

Compression ratio 17.0:1 or 16.0:1, Denso Common Rail Direct Injection Applications: *2006–2009 Pajero (fourth generation), at 3800 rpm; manual transmission: , at 2000 rpm *2010–2022 Pajero (fourth generation), at 3800 rpm, at 2000 rpm

4M42

Inline 4-cylinder DOHC 16 valve, Bore x Stroke , , direct injection OAT , Applications: * 2001-2007 Mitsubishi Fuso Canter CR , Applications: * 2007-2010 Mitsubishi Fuso Canter, 92 kW * 2007-2010 Mitsubishi Fuso Canter, 107 kW

References

{{DEFAULTSORT:Mitsubishi 4m4 Engine 4M4 Straight-four engines Diesel engines by model