WP3N series truck engine
At present, Weichai truck engines, with the displacement ranging from 2.3L to 13L and the power ranging from 70kW to 426kW, meet Euro II, Euro Ⅲ, Euro Ⅳ, Euro V, Euro VI,emission standards, and are applicable to heavy-duty tractors, middle-duty trucks, light-duty trucks, and off-road trucks. These engines are characterized by high reliability, strong power, fuel saving and environmental protection.
WP3N series truck engine
Product portfolio
| 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 | Applicable model |
| WP3NQ140E50 | 2.97 | 4 | 103/3000 | 380/1400-2400 | 198 | Common rail + SCR |
Light-duty、medium-duty trucks、special vehicles、engineering dump trucks
|
| WP3NQ150E50 | 2.97 | 4 | 110/3000 | 430/1400-2400 | 198 | Common rail + SCR | Light-duty、medium-duty trucks、special vehicles、engineering dump trucks |
| WP3NQ160E50 | 2.97 | 4 | 118/3000 | 480/1400-2300 | 198 |
Common rail + SCR
|
Light-duty、medium-duty trucks、special vehicles、engineering dump trucks
|
| WP3NQ140E61 | 2.97 | 4 | 103/3000 | 380/1400-2400 | 198 |
Common rail + EGR + DOC + DPF + SCR
|
Light-duty、medium-duty trucks、special vehicles、engineering dump trucks
|
| WP3NQ150E61 | 2.97 | 4 | 110/3000 | 430/1400-2400 | 198 |
Common rail + EGR + DOC + DPF + SCR
|
Light-duty、medium-duty trucks、special vehicles、engineering dump trucks
|
| WP3NQ160E61 | 2.97 | 4 | 118/3000 | 480/1400-2300 | 198 |
Common rail + EGR + DOC + DPF + SCR
|
Light-duty、medium-duty trucks、special vehicles、engineering dump trucks
|
Reliability
- The wet cylinder liner, gantry type drum engine block, integral cast iron cylinder head are adopted; and the new design of moving parts such as piston, connecting rod crankshaft and bearing shell is adopted. B10 life is 800,000km.
- Weichai premium suppliers develop the relevant products according to the high reliability requirements in the heavy truck industry.
- The engine block and the cylinder head are casted and machined by Weichai, ensuring high consistency.
Economy - Min. fuel consumption: 205g/kW.h.
- Fuel consumption on full MAP is (5~10)g/kw•h lower than that of competing products.
Power performance - Power: 103kw~118kw, maximum torque: 480Nm/(1400~2300)r/min.
- The engine has higher torque and higher power when compared with competing products of same displacement.
Comfort - The rear-mounted gear chamber, enclosed flywheel housing, and plastic cylinder head cover are adopted, which effectively reduce noise, making the rated noise 4dB(A) lower than that of competing products.
- The no-load noise is (2.5~4)dB(A) lower than that of competing products.
- The standard engine block stiffening plate is used, which ensures a better engine vibration reduction performance than that of competing products. The optional secondary balance mechanism can reduce engine vibration further.
Adaptability - The modular design, compact layout of peripheral accessories, and various optional structures ensure a wider range of application.
- The oil filter, alternator, starter and other parts of N platform are universal, ensuring the convenience of maintenance.
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