WP7NG 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 |
| WP7NG240E51 | 7.47 | 4 | 177/2100 | 900/1300-1500 | ≤188 | Single point injection + DOC | 10.5-12m city bus 8.5-9m Road bus |
| WP7NG260E51 | 7.47 | 4 | 191/2100 | 1000/1300-1500 | ≤188 |
Single point injection + DOC
|
10.5-12m city bus 8.5-9m Road bus |
| WP7NG290E51 | 7.47 | 4 | 213/2100 | 1100/1300-1500 | ≤188 |
Single point injection + DOC
|
10.5-12m city bus 8.5-9m Road bus |
| WP7NG210E61 | 7.47 | 4 | 156/2100 | 950/1100-1500 | ≤195 |
SPI+ER+EGR+TWC
|
10.5-12m city bus 8.5-9m Road bus |
| WP7NG240E61 | 7.47 | 4 | 177/2100 | 1050/1100-1500 | ≤195 |
SPI+ER+EGR+TWC
|
10.5-12m city bus 8.5-9m Road bus |
| WP7NG270E61 | 7.47 | 4 | 199/2100 | 1150/1100-1500 | ≤195 |
SPI+ER+EGR+TWC
|
10.5-12m city bus 8.5-9m Road bus |
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 |
| WP7NG210E61 | 7.47 | 4 | 156/2100 | 950/1100-1500 | 195 | Equivalent combustion + EGR + three-way catalytic converter | 8-9m highway coach, 9-12m public bus |
| WP7NG240E61 | 7.47 | 4 | 177/2100 | 1000/1100-1500 | 195 | Equivalent combustion + EGR + three-way catalytic converter | 8-9m highway coach, 9-12m public bus |
| WP7NG270E61 | 7.47 | 4 | 199/2100 | 1150/1100-1500 | 195 | Equivalent combustion + EGR + three-way catalytic converter | 8-9m highway coach, 9-12m public bus |
Product advantages
- Emission standards: Euro V and Euro VI, with advanced Woodward electronic control system adopted.
- Power performance: Improved output torque at low speed and maximum torque and good responsiveness during acceleration and start-up meet the power requirement of the vehicle.
- Economy: The fuel economic zone shifts to the low speed range; squish effect is strengthened and combustion speed is increased; the intelligent ignition coil increases ignition energy, reduces load cycle variation of low-speed part, and reduces fuel consumption.
- Comfort: Low vibration and low noise，Noise is reduced to 79dB(A) @ idling, 93dB(A) @ rated power.
WP7NG series bus engine
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