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WP12 series marine diesel engine

Powertrain

WP12 series marine diesel engine

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Technical tables use display translations outside Chinese. The linked manufacturer catalogue retains the original text. Confirm the full model and nameplate before ordering.

Specifications

Type
Four-stroke, water-cooled, in-line, supercharged and intercooled
Bore/stroke mm
126×155
Number of cylinders
6
Displacement L
11.6
Torque reserve %
20-30
Oil consumption rate g/kW·h
≤0.2
Minimum fuel consumption rate g/kW·h
194
Idle speed r/min
650±50
Noise dB(A)
≤104.8
Crankshaft rotation direction
Clockwise (facing free end)
Overall dimensions (length × width × height) mm
WP12 mechanical pump 1623×847×1385; WP12 electronically controlled pump 1683×928×1150
Net weight kg
WP12 mechanical pump 1283 ; WP12 electronically controlled pump 1260

Model variants

SeriesModelAir intake methodPower (kW/Ps)Speed (r/min)Fuel supply methodEmission levelsPower classification
WP12WP12C350-15Turbocharged and intercooled258/3501500Mechanical combination pumpIMOTierⅡP1(MCR)
WP12WP12C400-18Turbocharged and intercooled295/4001800Mechanical combination pumpIMOTierⅡP1(MCR)
WP12WP12C450-21Turbocharged and intercooled330/4502100Mechanical combination pumpIMOTierⅡP1(MCR)
WP12WP12C350-15E121Turbocharged and intercooled258/3501500Electronically controlled high-pressure common rail pumpIMOTierⅡP1(MCR)
WP12WP12C400-18E121Turbocharged and intercooled295/4001800Electronically controlled high-pressure common rail pumpIMOTierⅡP1(MCR)
WP12WP12C450-21E121Turbocharged and intercooled330/4502100Electronically controlled high-pressure common rail pumpIMOTierⅡP1(MCR)
WP12WP12C500-21E121Turbocharged and intercooled368/5002100Electronically controlled high-pressure common rail pumpIMOTierⅡP2(MCD1)
WP12WP12C550-21E121Turbocharged and intercooled405/5502100Electronically controlled high-pressure common rail pumpIMOTierⅡP3(MCD2)
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