WP8 series bus engine
weichai bus engines, with the displacement ranging from 2.3L to 12L and the power ranging from 88kW to 338kW, meet Euro V, Euro VI and other emission standards, and are applicable to various buses with a length greater than 5m such as school buses, passenger buses, private buses, touring buses, public buses, hybrid electric buses, and special buses. These new-generation products (WP2.3N/WP2.5N/WP3N/WP4.1N/WP4.6N) are applicable to rural public buses, minibuses, long-nose school buses, high-end MPVs, European light buses, and characterized by high reliability, strong power, fuel saving and environmental protection.
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Product parameters A
| 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 | 11-12m city bus 11-12m coach |
| WP8.340E51 | 7.8 | 4 | 250/2100 | 1400/1200-1600 | ≤205 |
CR+SCR
|
11-12m city bus
11-12m coach |
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 |
| WP8.320E61 | 7.8 | 4 | 235/2100 | 1280/1200-1600 | 188 | CR+EGR+DOC+DPF+SCR | 10.6-11.5m passenger |
| WP8.350E61 | 7.8 | 4 | 257/2100 | 1280/1200-1600 | 188 | CR+EGR+DOC+DPF+SCR | 10.6-12m passenger transport, group |
| WP8.320E62 | 7.8 | 4 | 235/2100 | 1300/1200-1600 | 185 | CR+EGR+DOC+DPF+SCR | 10.6-11.5m passenger |
| WP8.350E62 | 7.8 | 4 | 257/2100 | 1400/1200-1600 | 185 | CR+EGR+DOC+DPF+SCR | 10.6-12m passenger transport, group |
Product advantages
- Emission standards: Euro V and Euro VI.
- Power performance: High power, high torque (and high output torque at low speed).
- Economy: The optimized powertrain system ensures low fuel consumption; the engine is able to achieve high mechanical efficiency at low speed, ensuring low fuel consumption.
- Comfort: The customized development of NVH ensures low noise and vibration
More safe and reliable
- B10 life is greater than 1,000,000 km.
Better economy
- The speed that can achieve minimum fuel consumption covers the whole working speed range.
- The intake and exhaust manifolds are arranged on different sides, improving charge efficiency, optimizing combustion, and improving economy.
High configuration
- The integrated rotor-type oil pump and standard shear gear reduce transmission noise further.
WP8 series bus engine
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