WP4 Série de moteurs diesel marins


Weichai WP4 marine diesel engine series is the variation developed in accordance with laws and regulations based on marine engine working conditions and modification of engine combustion system, intake and exhaust system, cooling system, power output system and engine monitoring system. The engine has wide power and speed range, small size, light weight, compact structure, reliable work, advanced parameters and easy installation.

Product Parameters

Series 4-Stroke, water cooling, In-Line, Dry cylinder sleeve
Cylinder Diameter/Stroke 105×130mm
Specific lub-oil consumption 195g/kW·h
Start Mode Electric start
Firing Order 1-3-4-2
Noise ≤105dB (A)
Oil Consumption 0.8g/kW-h
Number Of Cylinders 4
Displacement 4.5L
Crankshaft Rotation Direction (towards free end) Clockwise
Idling 650±30r/min
Smoke Intensity ≤1.5Rb
Emission Standard IMO TIER II

Product Spectrum

Model Air intake Rated Power (kW/Ps) Speed (r/min)
WP4C82-15 Booster 60/82 1500
WP4C95-18 Booster 70/95 1800
WP4C102-21 Booster 75/102 2100
WP4C120-18 Supercharged and cold 88/120 1800
WP4C102-15 Supercharged and cold 75/102 1500
WP4C130-21 Supercharged and cold 95/130 2100


Product parameters and portfolio are for reference only. For fishing vessel engine portfolio, please contact relevant personnel for official information.

Product Features

Minimum fuel consumption low to 195g/kW-h Reasonable fuel pump and turbocharger for smooth fuel consumption curve and excellent economy under common working conditions.

Engine shut-down solenoids for fast, safe and reliable shut-down.

Advanced German technology with high-quality parts and high product reliability.

Advanced design concept with optimized structure for users' habits and is easy to install and maintain.

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