Mercedes-Benz OM904 engine

The Mercedes-Benz OM904 is a 4.2 liter (4,249cc) Inline-four engine (I4) OHV Diesel engine with 3 valves per cylinder. It is related to the OM906 Straight-six engine which has two extra cylinders, while the bore and stroke remain unchanged.

It launched in 1996 and had a Unit injector system to deliver fuel to every cylinder. It used a twin-scroll Turbocharger that was giving ~0.5-1.4atm of boost. +Engine DetailsPower:75-130kW (101-174hp) @ 2,200 rpmHeight:930mm (36.6in)Torque:400-670Nm (295-494lb.ft) @ 1,200-1,600 rpmWeight:405kg (893lbs)Aspiration:Twin-scroll turbocharger, intercoolerInjection:Direct injectionCompression Ratio:18:1Boost:0.5-1.4atmBore:102mm (4in)Launch Year:1996Stroke:130mm (5.1in)Displacement:4,249cc (259.3CI)Redline:2,300Length:944mm (37.2in)Width:610mm (24in)

Torque Curve

See also List of Mercedes-Benz engines

References