Compact structure, high reliability, high power performance and excellent economy.
Weichai New Generation High-end Light Engine Platform Products; Power range 125-140kW, Euro IV/V/VI emissions, applied in 8-10m school bus.
| Maximum Power | 140 kW |
| Minimum Power | 125 kW |
| Maximum Torque / Speed | 680/(1300-1900) N·m / r/min |
| Emissions | Euro IV/V/VI |
| 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 | 4.088 L |
| Aspiration | Turbocharged and intercooled |
| Compression Ratio | 18 ± 0.5:1 |
| Combustion System | Common rail |
| Length | 964 mm |
| Width | 700 mm |
| Height | 837 mm |
| Weight - Net Dry | 400 kg |