12M55 is a new generation of high-end engine M55 platform of new products; The power covers 1985-2700kW, which meets the third stage of non-road emission in China, and ADAPTS to 1800-2400kW generator sets.

Power Rating

Units: USMetric
Maximum Power 3242.8 hp2420 kW
Minimum Power 2659.9 hp1985 kW
Maximum Torque / Speed / N·m / r/min

Emission Standards

Emissions China non-road Stage Ⅲ


Series 12M55
Fuel Diesel
EngineType V-type 12-cylinder, four-stroke engine
Cylinder Number 16
Valve Number 4
Bore 180 mm
Stroke 215 mm
Displacement 65.65 L
Aspiration Turbocharged and intercooled
Compression Ratio 16.5:1
Combustion System Electronically controlled high pressure common rail

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Length 2958 mm
Width 1544 mm
Height 2616 mm
Weight - Net Dry (Basic Operating Engine Without Optional Attachments) 9550 kg

Remarks: Product parameters and pictures are for reference only; subject to change without notice.