WP4.1 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 spectrum A
| Model | Displacement (L) |
Number of valves per cylinde | Rated power/speed (kW/rpm) |
Maximum torque/speed (N.m/rpm) |
Technical route | Application |
| WP4.1G70E301 | 4.1 | 2 | 52/2400 | 260/1400-1600 | CR | 1.6T Loader |
| WP4.1G82E301 | 4.1 | 2 | 60/2400 | 300/1400-1800 | CR | 1.8T Loader |
| WP4.1G85E311 | 4.1 | 2 | 62.5/2200 | 320/1300-1600 | CR | 1.8T Loader |
| WP4.1G85E301 | 4.1 | 2 | 62.5/2300 | 350/1400-1600 | CR | Multi-purpose machinery/ 4.5T-5T Forklift |
| WP4.1G88E301 | 4.1 | 2 | 65/2400 | 330/1400-1800 | CR | 2.0T Loader |
| WP4.1G100E301 | 4.1 | 2 | 73.5/2300 | 400/1400-1600 | CR | Backhoe Loader |
| WP4.1G102E310 | 4.1 | 2 | 74.8/2300 | 420/1400-1600 | CR | Backhoe Loader |
| WP4.1G102E301 | 4.1 | 2 | 74.9/2400 | 380/1400-1800 | CR | 2.0T Loader |
| WP4.1G100E311 | 4.1 | 2 | 74/2200 | 395/1400-1600 | CR | Multi-purpose machinery/ 9T Excavator |
| WP4.1G110E311 | 4.1 | 2 | 82/2200 | 460/1400-1600 | CR | Multi-purpose machinery |
| WP4.1G125E302 | 4.1 | 2 | 92/2200 | 480/1600-1800 | CR | Multi-purpose machinery、13T-18tT Excavator、5T-10T Forklift、10T-14T Roller |
| WP4.1G140E301 | 4.1 | 2 | 103/2300 | 520/1600-1800 | CR | Multi-purpose machinery |
Product spectrum B
| model | Displacement (L) |
Number of valves per cylinder | Rated power/speed (kW/rpm) |
Maximum torque/speed (N · m/rpm) |
External minimum fuel consumption (g/kW h ) |
Technical route | Suitable models |
| WP4.1G100E440 | 4.088 | 2 | 74/2200 | 420/1400-1600 | 199 | EGR+DOC+DPF | 10-13t excavator, 45-68m aerial work platform |
| WP4.1G125E440 | 4.088 | 2 | 92/2200 | 500/1400-1600 | 200 | EGR+DOC+DPF | 13-15t excavator, 5-10t forklift |
Product advantages
Comfortable
- The use of fuel pre-injection technology and high-precision gears can effectively reduce engine vibration and noise.
Drain interval
- 500h oil drain interval.
Environmental adaptability
- Temperature -25℃～50℃ ,altitude below 4000m.
WP4.1 series engine for constr...
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