WP6H series truck engines
At present, WEICHAI truck engines, with the displacement ranging from 2.3L to 15.33L and the power ranging from 70kW to 485kW, meet Euro II, Euro V, Euro Ⅵ and other emission standards, and are applicable to tractors, medium/heavy-duty dump trucks, medium/heavy-duty trucks, medium/heavy-duty special vehicles, light-duty trucks, light-duty dump trucks, and light-duty special vehicles. These engines are characterized by high reliability, strong power, fuel saving and environmental protection.
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Product spectrum
| model | Displacement (L) |
Number of valves per cylinder | Rated power/speed ( kW /rpm) |
Maximum torque/speed (N · m/rpm) |
External characteristic minimum fuel consumption (g/kW·h) |
Technical route | Suitable models |
| WP6H270E61 | 6.22 | 4 | 199/2300 | 1100/1300-1700 | 191.1 | High pressure common rail+EGR+DOC+DPF+SCR |
Trucks/Special Purpose Vehicles |
| WP6H245E61 | 6.22 | 4 | 180/2300 | 1000/1200-1600 | 191.1 | High pressure common rail+EGR+DOC+DPF+SCR |
High reliability
- B10 lifespan 800,000 km
- High-level cooling
- The cylinder head adopts two layers of water jackets. The lower water jacket cools the cylinder head fire surface, which has a good cooling effect.
- Moving parts adopt high reliability structure design
Good power
- WP6H diesel engine has a maximum rated power of 270Ps and a maximum torque of 1100N·m
Excellent performance
- Integral cylinder head, 4 valves per cylinder
- New combustion chamber and airway matching design
- Minimum fuel consumption: 189.9g/kW·h
- High efficiency supercharger
High security
- Overhead camshaft layout design, especially for engine braking, with a braking power of up to 161kW
- Hot end insulation protection
Excellent NVH performance
- The fuselage truss structure enhances the rigidity of the fuselage, inhibits torsional deformation, and improves the NVH of the fuselage itself
- The oil pan and cylinder head cover are sealed with vibration-isolating rubber
- Rear gear room
- Plastic cylinder head cover
- Helical gear design
Lightweight design
- Application of lightweight materials such as plastics and aluminum alloys
- Integrated modular design
Service convenience cost
- Integrated oil cooling and filtration module, only the filter element needs to be replaced
- Integrated fuel filter module, only the filter element needs to be replaced
WP6H series truck engines
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