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WP4.1N series marine engines

Powertrain

WP4.1N series marine engines

Availability, price and lead time are confirmed after your enquiry. Catalogue inclusion is not a stock promise.

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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
105×118
Number of cylinders
4
Displacement L
4.1
Torque reserve %
20-35
Oil consumption rate g/kW·h
≤0.1
Minimum fuel consumption rate g/kW·h
193
Idle speed r/min
700±20
Noise dB(A)
≤97
Crankshaft rotation direction
Counterclockwise (facing the free end)
Overall dimensions (length × width × height) mm
960×700×867
Net weight kg
500

Model variants

SeriesModelAir intake methodPower (kW/Ps)Speed (r/min)Technical routeEmission levelsPower classification
WP4.1NWP4.1NC120-18E220Turbocharged and intercooled88/1201800Electronically controlled high-pressure common rail pumpChina Marine Stage IIP1(MCR)
WP4.1NWP4.1NC142-18E220Turbocharged and intercooled105/1421800Electronically controlled high-pressure common rail pumpChina Marine Stage IIP1(MCR)
WP4.1NWP4.1NC130-21E220Turbocharged and intercooled95/1302100Electronically controlled high-pressure common rail pumpChina Marine Stage IIP1(MCR)
WP4.1NWP4.1NC163-21E220Turbocharged and intercooled120/1632100Electronically controlled high-pressure common rail pumpChina Marine Stage IIP1(MCR)
WP4.1NWP4.1NC177-23E220Turbocharged and intercooled130/1772300Electronically controlled high-pressure common rail pumpChina Marine Stage IIP3(MCD2)
WP4.1NWP4.1NC190-26E220Turbocharged and intercooled140/1902600Electronically controlled high-pressure common rail pumpIMOTierⅡ/China Marine Stage IIP3(MCD2)
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