Engine model originates from high-end Weichai engine platform products. Power range: 129kW. Euro Stage IIIa emission standards. Application: 35-45T crawler crane.

Power Rating

Units: USMetric
Maximum Power hp129 kW
Minimum Power hp129 kW
Maximum Torque / Speed 680/(1400-1600) N·m / r/min

Emission Standards

Emissions Euro Stage IIIa


Series WP4.1N
Fuel Diesel
Type Inline 4-cylinder, four-stroke engine
Cylinder Number 4
Valve Number 4
Bore 105 mm
Stroke 118 mm
Displacement 4.1 L
Aspiration Turbocharged and intercooled
Compression Ratio 18:1
Combustion System Electronically controlled high-pressure common-rail

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

Length 945 mm
Width 700 mm
Height 727 mm
Weight - Net Dry (Basic Operating Engine Without Optional Attachments) 420 kg

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