WP9H series engines are new generation of diesel engines with international technology level newly developed by Weichai. Technology roadmap: Electronically controlled high-pressure common-rail. Euro Stage IIIa emission standard. Ideal power choice for 30-40t large excavators.

Power Rating

Units: USMetric
Maximum Power 300 hp220 kW
Minimum Power 300 hp220 kW
Maximum Torque / Speed 1400/(1300-1600) N·m / r/min

Emission Standards

Emissions Euro Stage IIIa


Series WP9H
Fuel Diesel
Type Inline 6-cylinder, four-stroke engine
Cylinder Number 6
Valve Number 4
Bore 116 mm
Stroke 139 mm
Displacement 8.8 L
Aspiration Turbocharged and intercooled
Compression Ratio 17.5:1
Combustion System Electronically controlled high-pressure common-rail

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Length 1318 mm
Width 820 mm
Height 1065 mm
Weight - Net Dry (Basic Operating Engine Without Optional Attachments) 805 kg

Remarks: Product parameters and pictures are for reference only; subject to change without notice.