WP4 Series

Duty Model HP kW RPM
P1 WP4C82-15 82 60 1500
P1 WP4C95-18 95 70 1800
P1 WP4C102-21 102 75 2100
P1 WP4C120-18 120 88 1800
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WP4 marine engine is an updated rendition of 226B diesel engine developed with joint efforts of Weichai and Germany-based Deutz AG. The engine features higher number of strokes and optimized and functional design. This type of engine is predominantly mounted on small size transport ships and fishing vessels on inland streams. Works as both the primary and auxiliary engine. The engine is CCS certified.

High Strength Engine

With single piece forged crankshaft and Aluminium alloy pistons, the engine is designed to amaze with its performance.

Enhanced Cooling

WP4 series from Weichai brings an improved cooling system which uses fresh or raw water heat exchanger with expansion tank and thermostatic valves. There’s also a mechanically driven water pump.

Lubrication System

The lubrication system of the series has spin-on full flow oil filter and features fresh water cooled lube along with plate type oil cooler.

Efficient Fuel System

Weichai has equipped the fuel system with P-type in-line injection pump, dual-skinned fuel pipe loaded with leakage collector and alarm and Duplex fuel filters.

Exhaust System

The air filter is washable while turbocharger has been optimized for marine application.

Electrical System

The WP4 series features a 24V electric starter motor and battery charging alternator along with voyage safeguard monitor.

Technical Info

Weichai Marine Engine WP4 Technique Specification

Bore & Stroke 105×130 mm
Displacement 4.5 L
CylinderNumber 4
CompressionRatio 18:1
FuelSystem Mechanical Pump
Aspiration T/TA
Emission Standard IMO Tier 2
Length 1058mm
Width 820mm
Height 1061mm
Dry Weight 600kg

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