|Cylinder bore||200 mm|
|Piston Stroke||280 mm|
|Number of cylinders||6|
|Cylinder configuration||In line|
The Wärtsilä 20 is a 4-stroke, non-reversible, turbocharged and intercooled diesel engine with direct injection of fuel.
Cylinder bore 200 mm
Stroke 280 mm
Piston displacement 8.8 l/cyl
Number of valves 2 inlet valves and 2 exhaust valves
Cylinder configuration 6 in-line
Mean piston speed 9,3 m/s
The Wärtsilä 20 is able to operate on different fuels, from the lowest viscosity of 1.8 cSt up to 730 cSt HFO (at 50 °C).
The engine is also able to use low sulphur fuel oils (<0.1% S) set as standard by emission control area authorities.