WP9H 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 | Application |
|
WP9HG300E300
|
8.8
|
4
|
220/2000
|
1310/1200-1600
|
CR |
30T–40T Excavator
|
| WP9HG336E300 | 8.8 | 4 | 247/2000 | 1470/1200-1600 | CR |
30T–40T Excavator
|
| WP9H310E50 |
8.8
|
4
|
228/1900 |
1500/1000-1400
|
CR |
25T/35T Crane
|
| WP9H336E50 |
8.8
|
4
|
247/1900 |
1600/1000-1400
|
CR |
55T Crane
|
Product spectrum
| model | Displacement (L) |
Number of valves per cylinder | Rated power/speed (kW/rpm) |
Maximum torque/speed (N · m/rpm) |
Technical route | Suitable models |
| WP9H336E62 | 8.8 | 4 | 247/1900 | 1600/1000-1400 | Common rail + DOC + DPF + SCR | 55 ton crane |
| WP9H350E62 | 8.8 | 4 | 257/1900 | 1700/1000-1400 | High efficiency SCR | 75 tons truck crane |
| WP9HG190E474 | 8.8 | 4 | 140/1900 | 930/1200～1400 | High efficiency SCR | 160-170ps hydraulic bulldozer |
| WP9HG207E474 | 8.8 | 4 | 152/1900 | 930/1200-1400 | High efficiency SCR | 190ps bulldozer |
| WP9HG230E474 | 8.8 | 4 | 170/1950 | 1100/1300-1500 | High efficiency SCR | 200ps bulldozer |
Product advantages
Reliable
- High reliability design guarantees the service life of 1,800,000km/30,000h.
Powerful
- Torque per liter is 200N•m/L.
- High output torque at low speed.
Energy saving, low fuel consumption
- Wide economic zone, (1000-1,400) r/min and (800-1,600)N•m.
- Fuel consumption is less than 190 g/(kW•h).
Environmental adaptability
- Temperature -35℃～50℃ ,altitude below 4700m.
Safe
- Braking power adjustment technology is applied.
- Braking power up to 26 kW/L.
WP9H series engine for constru...
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