Power range: 113-129kW, Application: 3-row and 4-row corn harvesters.
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.
| Maximum Power | 129 kW |
| Minimum Power | 113 kW |
| Maximum Torque / Speed | 680/(1400-1600) N·m / r/min |
| Emissions | EU Stage 3A |
| Series | WP4.1N |
| Fuel | Diesel |
| EngineType | 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 |
| Length | 990 mm |
| Width | 730 mm |
| Height | 833 mm |
| Weight - Net Dry | 430 kg |