WP4.1N series truck engine
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 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 |
| WP4.1NQ190E50 | 4.088 | 4 | 140/2600 | 680/1300-1900 | ≤200 | CR+SCR |
Cargo trucks
dump trucks Sanitation trucks mixer trucks truck-mounted cranes |
| WP4.1NQ200E62 | 4.088 | 4 | 147/2300 | 750/1300-1700 | ≤195 | CR+DOC+DPF+Hi-SCR | Cargo trucks dump trucks Sanitation trucks mixer trucks truck-mounted cranes |
Product advantages
- Emission standards: Euro V and Euro VI.
- Technical route: The electronically controlled high-pressure common rail system is used to ensure precise control.
- Comfort: The customized development of NVH ensures low noise and vibration.
- Light weight: Its applies a large number of cast aluminum parts and is the lightest one among those products of same power.
- Small size: small in size, ensuring the easy assembling in OEM.
Reliable
- The movement speed of moving parts is reduced, and the movement time is prolonged.
- The wear of friction pairs per unit time is reduced.
- The service life of the crankshaft flywheel system and gear system is prolonged.
Better economy
- The speed ratio of drivetrain is reduced, improving transmission efficiency.
- The driver‘s shift schedule is improved, reducing fuel consumption.
More comfortable
- The high frequency torsional vibration zone of the engine is avoided.
- The noise reduction flywheel housing and the domestic advanced anechoic chamber are used to reduce noise.
WP4.1N series truck engine
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