
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
- kW1020 - 1710
- rpm900 - 1000
- bore200
- stroke300
- g/kW186 - 190
Dimensions and weight

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
Turbocharger casing without water cooling. Safe and reliable.
Engine control stand
All control functions arranged directly on the engine.

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
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
Flow optimized pipe design for quick load acceptance.

Piston
First ring with chromium ceramic-plated running surface

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

Resilient mountain system
Dynamically balanced, highly flexible coupling.