WP4.1N series engines are engines developed by Weichai especially for wheat harvesters and 3-row, 4-row corn harvesters. The engines use the high-pressure common-rail technology. Power range: 113-129kW.

Power Rating

Units: USMetric
Maximum Power 175 hp129 kW
Minimum Power 154 hp113 kW
Maximum Torque / Speed 680/(1400-1600) N·m / r/min

Emission Standards

Emissions EU Stage 3A


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 17:1
Combustion System Electronically controlled high-pressure common-rail

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

Length 990 mm
Width 730 mm
Height 833 mm
Weight - Net Dry (Basic Operating Engine Without Optional Attachments) 430 kg

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