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Weichai WD10 Series Marine Diesel Engine

    Weichai WD10C series — 9.7L displacement, 6-cylinder turbocharged engine delivering 190–326 HP for unrestricted continuous P1 duty marine operations.

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    High Power Output 190–326 HP across 14 models, P1 continuous duty, 1500–2100 rpm range.
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    9.7L Displacement 126×130 mm bore/stroke, one-piece forged crankshaft, cast iron body — built for heavy-duty loads.
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    IMO Tier II Compliant Meets international marine emission standards with mechanical pump and T/TA aspiration.
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    Dual Cooling System Fresh/raw water heat exchanger, centrifugal fresh water pump, self-priming raw water pump.
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    Safe Fuel System P-type in-line pump, dual-skinned pipes with alarm, duplex filters replaceable while running.
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    CCS & EIAPP Certified SAE1 flywheel housing, 24V monitoring, voyage safeguard monitor. Optional remote harness & classification trial.
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Product Description

The Weichai WD10 Series marine diesel engine offers multi-power options (190-326HP/140-240kW) across 1500-2100RPM for small-to-medium vessels, designed for P1 duty (unrestricted continuous operation). Featuring a 126x130mm bore, 9.7L inline 6-cylinder design with a mechanical fuel pump and turbocharged/intercooled aspiration, it ensures efficient combustion and low emissions. Key components include a forged crankshaft, dry liners, oil-cooled aluminum pistons, and duplex oil filters for heavy-duty reliability. With 24V electric starting, intelligent monitoring, and CCS/EIAPP certification, it supports optional remote monitoring and PTO, ideal for fishing boats, cargo ships, and workboats.

Technical Specifications

Item WD10 Series WD12 Series
Model WD10C326-21 WD12C375-21 WD12C400-21
Type In-line,water-cooled,four-stroke
Number of cylinders -bore ×stroke(mm) 6-126×130 6-126×155
Displacement (L) 9.726 11.596
Induction system Turbocharged &intercooled
Rated power/speed(kW(Ps)/r/min) 240(326)/1800 275(375)/2150 294(400)/2150
Min.specific fuel consumption of external
characteristics(g/kW ·h)		 ≤195 ≤212
Oil consumption rate(g/kW ·h) ≤0.6
ldle speed 600±30 r/min
Governor Mechanical
Flywheel housing SAE NO.1#14
Certificates ZC、CCS、EIAPP、China l
Diemension (L×W×H) (mm) 1447×960×1211 1534×807×1512
Dry weight (kg) 1056 1100
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