Engine Mercedes OM402

Engine Mercedes OM402

The OM402 engine has a capacity of 256 hp, has 8 cylinders and a volume of 12.8 liters. The whole series is united by the scope of application. These are truck tractors, buses, power plants and various types of heavy earthmoving equipment.

Diesel engines OM402 are of high quality, reliable, and low-toxic, perfectly combined with turbocompression equipment, they are compact, unpretentious in fuel quality, have a long service life and good maintainability.

The service life of the engines of this series exceeds 400 thousand km, and there are even known cases of 800 thousand km mileage without major repairs. And they usually come to repairs not because of accidental damage, but with natural wear and tear of the CPG. Moreover, in most cases, the crankshaft is in perfect condition and does not even require regrinding (except in cases of oil starvation).


Engine’s type diesel
Also called OM 402
Production years 12/1990
Power output, hp / kW 381 / 280
Displacement, cc 12763
Number of cylinders 8
Valves 16
Cylinder bore, mm 125
Piston stroke, mm 130
Crankshaft bearings 5
Configuration V
Fuel type diesel
Fuel system inline injection pump
Turbine turbo / charge air cooler
Euro standards Euro 1
Cylinder head OHV
Timing mechanism spur gear
Timing rocker arm
Cooling water

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