WP12 series engine for construction machinery
As an engine manufacturer founded early in China, Weichai Power has been a major supplier of the construction machinery industry of China. It boosts the whole series of engines for construction machinery, with the displacement ranging from 2.3L to 17L and the power ranging from 36.8kW to 566kW. These engines meet China III emission standard for diesel engines for non-road mobile machinery, China V, China VI, EU Stage II/III, EU V/VI, BS (CEV) III, and MAR-I emission standards. Weichai engines for construction machinery (China III emission standard for diesel engines for non-road mobile machinery) is applied with the electronically controlled high-pressure common rail, with the power ranging from 36.8kW to 566kW, and are applicable to loaders, excavators, bulldozers, forklifts, cranes, rollers, graders, small multi-purpose machinery, aerial work platforms, sanitation equipment, wide-body dump trucks, large road building machinery, etc.
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Product portfolio
| Model | Displacement (L) |
Number of valves per cylinde | Rated power/speed (kW/rpm) |
Maximum torque/speed (N.m/rpm) |
Technical route | Applicable model |
| WP12G250E305 |
11.596
|
4
|
183/1800 | 1260/1000-1300 | CR | 230Ps bulldozers |
| WP12G265E304A |
11.596
|
4
|
195/1900 | 1325/1200-1400 | CR | 240Ps bulldozers |
| WP12G290E301 |
11.596
|
4
|
216/2200 | 1350/1300-1500 | CR | 7T loaders |
| WP12G310E302 |
11.596
|
4
|
226/2100 | 1450/1300-1500 | CR | 7T loaders |
| WP12G310E320 |
11.596
|
4 | 226/2000 | 1600/1300-1500 | CR | 7T loaders |
| WP12G336E350 |
11.596
|
4 | 247/2200 | 1400/1400-1600 | CR | 33-36T rollers |
| WP12G340E311 |
11.596
|
4 | 250/2100 | 1800/1300-1500 | CR | 8T loaders |
| WP12G360E310 |
11.596
|
4 | 265/2100 | 1800/1300-1500 | CR | 9T loaders |
| WP12G375E350 |
11.596
|
4 | 276/2200 | 1550/1400-1600 | CR | 33–36T rollers |
| WP12G380E310 |
11.596
|
4 | 280/2100 | 1650/1200-1600 | CR | 40T wide-body dumpers |
| WP12G430E310 |
11.596
|
4 | 316/2100 | 1870/1200-1600 | CR | 50T wide-body dumpers |
| WP12G460E300 |
11.596
|
4 | 338/1900 | 2110/1000-1400 | CR | 400–500T crawler cranes |
| WP12G460E310 |
11.596
|
4 | 338/2100 | 2000/1200-1600 | CR | 50T wide-body dumpers |
| WP12.375E50 |
11.596
|
4 | 276/1900 | 1800/1000-1400 | CR+SCR | 80T truck cranes |
| WP12.430E50 |
11.596
|
4 | 316/1900 | 2060/1000-1400 | CR+SCR | 90–100T truck cranes |
| WP12.460E50 |
11.596
|
4 | 338/1900 | 2110/1000-1400 | CR+SCR | 130T truck cranes |
| WP12.460E62 |
11.596
|
4 | 338/1900 | 2200/1000-1400 | CR+DOC+DPF+Hi-SCR | 130T truck cranes |
Product advantages
- A variety of optional PTOs are available and maximum torque is 1,000Nm. Flange output: 1:1/1:1.16/1:1.46; SAE internal spline output: 9 teeth/11 teeth/13 teeth
- Intake heating function satisfies the requirements for starting up at -35°C.
- The front wheel system is tensioned automatically, the service life of the belt is 10,000h, and the 210/272/410mm high fan drive is optional.
- The frame type main bearing structure and strong engine block design ensure the reliability of diesel engine.
- The diesel engine and its accessories are arranged succinctly, and one cylinder head is provided for one cylinder, ensuring the convenience of maintenance.
- The engine satisfies the plateau power performance requirements when running at more than 4,000m above sea level.
Reliable
- High reliability design guarantees the service life of 30,000h.
Environmental adaptability
- Temperature -35℃～50℃ ,altitude below 4000m.
WP12 series engine for constru...
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