Mercedes-Benz OM366 engine

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The Mercedes-Benz OM366 is a 6.0 liter (5,958cc) Straight-6 (I6) Overhead Valve (OHV) diesel engine with 2 valves per cylinder.[1] It is related to the Straight-4 OM364 engine which has two cylinders chopped off, while the bore and stroke remain unchanged.[2]

It launched in 1983 and had a direct injection system (inline fuel pump) to deliver fuel to every cylinder. It used a twin-scroll turbocharger that was giving ~0.6-0.8atm of boost.

Engine Details
Power: 100-150kW (134-201hp) @ 2,600-2,800 rpm Height: -
Torque: 402-640Nm (297-472lb.ft) @ 1,400 rpm Weight: 445-470kg (981-1,036lbs)
Aspiration: Twin-scroll turbocharger, intercooler Injection: direct injection
Compression Ratio: 16.5-17.25 Boost: 0.6-0.8
Bore: 97.5mm (3.8in) Launch Year: 1983
Stroke: 133mm (5.2in)
Displacement: 5,958cc (364CI)
Redline: 2,800 rpm
Length: -
Width: -

See also[edit]


  1. ^ "Mercedes Benz OM366 Diesel Engine Service Repair Manual" (PDF). Retrieved 8 May 2020.
  2. ^ "Mercedes OM366 engine specs, bolt torques, manuals". Retrieved 8 May 2020.