Mercedes-Benz OM904 Engine
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The Mercedes-Benz OM904 is a 4.2 liter (4,249cc)
Inline-four engine A straight-four engine (also referred to as an inline-four engine) is a four-cylinder piston engine where cylinders are arranged in a line along a common crankshaft. The majority of automotive four-cylinder engines use a straight-four layout ( ...
(I4) OHV
Diesel engine The diesel engine, named after the German engineer Rudolf Diesel, is an internal combustion engine in which Combustion, ignition of diesel fuel is caused by the elevated temperature of the air in the cylinder due to Mechanics, mechanical Compr ...
with 3 valves per cylinder. It is related to the
OM906 The Mercedes-Benz OM906 or Mitsubishi 6S20 is a 6.4 liter (6,374cc) Straight-6 (I6) OHV Diesel engine with 3 valves per cylinder. It is related to the Straight-4 OM904 engine which has two cylinders chopped off, while the bore and stroke remain un ...
Straight-six engine A straight-six engine (also referred to as an inline-six engine; abbreviated I6 or L6) is a piston engine with six cylinders arranged in a straight line along the crankshaft. A straight-six engine has perfect primary and secondary engine balanc ...
which has two extra cylinders, while the bore and stroke remain unchanged. It launched in 1996 and had a
Unit injector A unit injector (UI) is a high-pressure integrated direct fuel injection system for diesel engines, combining the injector nozzle and the injection pump in a single component. The plunger pump used is usually driven by a shared camshaft. In a ...
system to deliver fuel to every cylinder. It used a twin-scroll
Turbocharger 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 th ...
that was giving ~0.5-1.4atm of boost.


Torque Curve


See also

*
List of Mercedes-Benz engines Mercedes-Benz has produced a range of Gasoline, petrol, Diesel engine, diesel, and natural gas engines. This is a list of all internal combustion engine models manufactured. Petrol engines Straight-three * Mercedes-Benz M160 engine, M160, 0 ...


References

{{reflist Diesel engines by model OM904