WP8 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 (Nm/rpm) |
External characteristic minimum fuel consumption (g/kW·h) |
Technical route | Suitable models |
| WP8.320E61 | 7.8 | 4 | 235/2100 | 1300/1200-1600 | 189 | Electronically controlled high pressure common rail + DOC + DPF + Hi-SCR | 8×4 lightweight highway dump truck, 6×4/8×4 truck crane, 6×2 truck, 4×2 port tractor, 8×4 concrete mixer truck |
| WP8.350E62 | 7.8 | 4 | 257/2100 | 1400/1200-1600 | 189 | Electronically controlled high pressure common rail + DOC + DPF + Hi-SCR | 8×4 lightweight highway dump truck, 6×4/8×4 truck crane, 6×2 truck, 4×2 port tractor, 8×4 concrete mixer 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 |
| WP8.320E51 | 7.8 | 4 | 235/2100 | 1300/1200-1600 | ≤205 | CR + SCR | Port tractors Cargo trucks dump trucks mixer trucks truck-mounted cranes |
| WP8.340E51 | 7.8 | 4 | 250/2100 | 1400/1200-1600 | ≤205 | CR + SCR | Port tractors Cargo trucks dump trucks mixer trucks truck-mounted cranes |
Product Advantages
- Emission requirements: National VI emission
- Power: high power, high torque, large torque at low speed
- Economy: Optimized powertrain system, low fuel consumption
- Comfort: Zero backlash transmission, air intake silencer, quieter vehicle operation
- Lightweight: Modular design, integrated fuel filter, integrated engine cooling module, family design, smoother and more beautiful oil circuits and lines. Use of new materials, cast aluminum flywheel housing, plastic cylinder head cover, etc.
Power upgrade
- Cylinder head is strengthened to increase torque. WP8 is increased to 1400N·m, leading the industry for engines of the same displacement
Safer and more reliable
- Exclusive structure based on market segmentation needs
- Strengthened components and forced lubrication ensure more reliable low-speed operation
- B10 lifespan 1 million kilometers
- Standard WEVB auxiliary brake system
More economical
- The lowest fuel consumption speed covers the entire working speed range
- Intake and exhaust are arranged on opposite sides to improve charging efficiency, optimize combustion, and achieve better economy.
WP8 series truck engines
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