WP12 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 A
| 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 |
| WP12.400E62 | 11.596 | 4 | 294/1900 | 2000/1000-1400 | 187 | Electronically controlled high pressure common rail + DOC + DPF + Hi_SCR | 8×4 Urban Construction Muck Dump Truck |
| WP12.430E62 | 11.596 | 4 | 316/1900 | 2100/1000-1400 | 187 | Electronically controlled high pressure common rail + DOC + DPF + Hi_SCR | 6×4 medium and long distance transport tractor, 8×4 heavy-duty dump truck |
| WP12.460E62 | 11.596 | 4 | 338/1900 | 2200/1000-1400 | 187 | Electronically controlled high pressure common rail + DOC + DPF + Hi_SCR | 6×4 medium and long distance transport tractor, 8×4 heavy-duty dump truck |
Product portfolio B
| Mode | Displacement （L） |
Number of valves per cylinder | Rated power/speed (kW/rpm) | Maximum torque/speed (N·m/rpm) | Min. fuel consumption on external characteristic curve (g/kW·h) | Technical route | Application |
| WP12.400E50 | 11.596 | 4 | 294/1900 | 1920/1000-1400 | ≤191 | CR + SCR | tractors cargo trucks dump trucks |
| WP12.430E50 | 11.596 | 4 | 316/1900 | 2060/1000-1400 | ≤193 | CR + SCR | tractors cargo trucks dump trucks |
| WP12.460E50 | 11.596 | 4 | 338/1900 | 2110/1000-1400 | ≤194 | CR + SCR | tractors cargo trucks dump trucks |
Product Advantages
High reliability
- Frame-type engine body, dry cylinder liner, high degree of engine reinforcement, bench test accumulated more than 45,000 hours, vehicle road test more than 50 million kilometers
Excellent NVH performance
- Idle noise 81dB(A), 2-3dB(A) lower than similar products – the engine body adopts drum-shaped skirt design, which has high engine strength, small vibration and greatly reduces noise
- The rear gear chamber uses high-precision gears and shear gears, which ensures stable operation and further reduces mechanical noise.
- Multiple injection technology greatly reduces combustion noise
Ultra-low fuel consumption
- The application of multiple high-efficiency components, through the optimization of combustion, improvement of camshaft profile, high-efficiency supercharger and other measures, achieves the lowest fuel consumption rate of 179g/kW·h. The fuel consumption under common working conditions is 3%-5% lower than that of products of the same level. The low-speed fuel consumption area covers the common working conditions of 1000-1400r/min, which is more economical and fuel-efficient.
Powerful
- The maximum torque is 2200N·m, which is suitable for most domestic working conditions, with excellent overtaking acceleration performance and no downshifting when climbing.
- A smaller rear axle ratio can be selected while ensuring power
Plateau Capability
- The power does not drop at an altitude of 3500m, and the power loss is less than 5% at rated speed at an altitude of 4100m, which has strong environmental applicability.
WP12 series truck engines
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