WP4.6N 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 A
| Model | Displacement (L) |
Number of valves per cylinde | Rated power/speed (kW/rpm) |
Maximum torque/speed (N.m/rpm) |
Technical route | Application |
| WP4.6NG125E300 | 4.6 |
4
|
92/2300 | 515/1400-1600 |
CR
|
3T Loader |
| WP4.6NG125E301 | 4.6 |
4
|
92/2200 | 560/1300-1500 |
CR
|
3T Loader、Excavator |
| WP4.6NG125E303 | 4.6 | 4 | 92/2000 | 570/1300-1500 | CR | 3T Loader |
| WP4.6NG175E301 | 4.6 |
4
|
129/2200 | 680/1400-1600 |
CR
|
21T Excavator |
| WP4.6NG190E301 | 4.6 | 4 | 140/2200 | 805/1500 | CR | Roller |
| WP4.6NG190E305 | 4.6 | 4 | 140/1800 | 805/1500 | CR | Roller |
| WP4.6NG200E301 | 4.6 | 4 | 147/2200 | 820/1500 | CR | Roller |
| WP4.6NG200E303 | 4.6 | 4 | 147/2000 | 805/1500 | CR | Roller |
| WP4.6NG210E301 | 4.6 | 4 | 154/2200 | 805/1500 | CR | Roller |
Product spectrum B
| model | Displacement (L) |
Number of valves per cylinder | Rated power/speed (kW/rpm) |
Maximum torque/speed (N · m/rpm) |
Technical route | Suitable models |
| WP4.6NG100E440 | 4.58 | 4 | 74/2000 | 420/1400-1600 | EGR+DOC+DPF | 10-13T Excavator |
| WP4.6NG150E440 | 4.58 | 4 | 10/2000 | 600/1400-1600 | EGR+DOC+DPF | 15-20T Excavator |
| WP4.6NG175E442 | 4.58 | 4 | 129/2000 | 600/1400-1600 | EGR+DOC+DPF | 20-22T Excavator |
Product advantages
Fuel system
- High injection pressure, good fuel atomization, good economy and high torque at low speed.
Drain interval
- 500h oil drain interval.
Environmental adaptability
- Temperature -35℃～50℃ ,altitude below 4000m.
WP4.6N series engine for const...
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