WP4.1N series engines for cranes
Compact structure, high reliability, high power performance and excellent economy.
Compact structure, high reliability, high power performance and excellent economy.
Engine model originates from high-end Weichai engine platform products. Power range: 129kW. Euro Stage IIIa emission standards. Application: 35-45T crawler crane.
| Maximum Power | hp129 kW |
| Minimum Power | hp129 kW |
| Maximum Torque / Speed | 680/（1400-1600） N·m / r/min |
| 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 |
| 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.
| Model | Rated Power/ Speed （kW/rpm） |
Maximum Torque / Speed （N·m/rpm） |
Displacement （L） |
Technique Route | Valve Number | Adaptable Vehicle |
|---|---|---|---|---|---|---|
| - | - | - | - | - | - | - |