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M 20 C Propulsion

Introduced in 1992 the M20 engine is the smallest MaK engine of the engine programme with a bore of 200 mm and a stroke of 300 mm. This type is available as an inline version with 6, 8 and 9 cylinders. The output ranges from 1,020 kW (6M20C) to 1,710 kW (9M20C) at 900 and 1,000 revolutions per minute.

For more information about the M20 download following documents or visit www.marine.cat.com.

Quick Facts

  • kW
    1020 - 1710
  • rpm
    900 - 1000
  • bore
    200
  • stroke
    300
  • g/kW
    186 - 190

Dimensions and weight

Specs
Engine centre distance: 2010 mm
Removal of cylinder liner:
in transverse direction: 1910 mm
in longitudinal direction: 2085 mm

Nozzle position: ask for availability
Engine with turbochanger at free end available, ask for dimensions

Design Features

Charging system with a high air excess

Charging system with a high air excess

Turbocharger casing without water cooling. Safe and reliable.

Engine control stand

All control functions arranged directly on the engine.

Cylinder head

Cylinder head

Increased reliability due to integrated media ducts.

Cooling water ring

Intensive cooling of the cylinder liner where cooling is needed

Cylinder liner with anti-wear ring

Cylinder liner with anti-wear ring

Long component life with a piston removal interval of 30,000 h under heavy fuel operation.

Camshaft

The camshaft is, as built, equipped with vibration dampers.

Exhaust pipe

Exhaust pipe

Flow optimized pipe design for quick load acceptance.

Piston

Piston

First ring with chromium ceramic-plated running surface

Engine block

Engine block

Firm base for main and camshaft bearings due to inherent rigidity.

Resilient mountain system

Resilient mountain system

Dynamically balanced, highly flexible coupling.