The WP4.6N series engine has high combustion efficiency, excellent NVH performance and excellent economy.
WP4.6N series is a new generation of high power density engine independently developed by Weichai, with compact structure and excellent economy; Power coverage of 110-148kW, adapted to 90-132kW generator sets.
| Maximum Power | 135 kW |
| Minimum Power | 110 kW |
| Maximum Torque / Speed | / N·m / r/min |
| Emissions | China non-road Stage Ⅲ |
| Series | WP4.6N |
| Fuel | Diesel |
| EngineType | Inline 4-cylinder, four-stroke engine |
| Cylinder Number | 4 |
| Valve Number | 4 |
| Bore | 108 mm |
| Stroke | 125 mm |
| Displacement | 4.58 L |
| Aspiration | Turbocharged and aftercooled |
| Compression Ratio | 16.9:1 |
| Combustion System | Electronically controlled high pressure common rail |
| Length | 1220 mm |
| Width | 800 mm |
| Height | 1060 mm |
| Weight - Net Dry | 480 kg |