WP4.1 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
| model | Displacement (L) |
Number of valves per cylinder | Rated power/speed ( kW /rpm) |
Maximum torque/speed (N · m/rpm) |
External characteristic minimum fuel consumption (g/kW·h) |
Technical route | Suitable models |
| WP4.1Q140E50 | 4.088 | 2 | 103/2600 | 450/1200-1800 | 198 | Common Rail + SCR | Light, medium-duty cargo, special-purpose, engineering dump trucks |
| WP4.1Q150E50 | 4.088 | 2 | 110/2600 | 500/1200-1800 | 198 | Common Rail + SCR | |
| WP4.1Q160E50 | 4.088 | 2 | 115/2600 | 520/1200-1800 | 198 | Common Rail + SCR | |
| WP4.1Q165E50 | 4.088 | 2 | 120/2600 | 560/1200-1800 | 198 | Common Rail + SCR |
Product Advantages
- Power: high power, high torque (and high torque at low speed)
- Economy: Optimized powertrain system, low fuel consumption; low speed, high mechanical efficiency, low fuel consumption
- Comfort: Customized development of vehicle NVH, low noise and low vibration
Safer and more reliable
- Reduce the speed of moving parts and extend the movement time
- Reduce friction pair wear per unit time
- Extends the life of the crankshaft, flywheel train and gear train
- Engine B10 service life exceeds 800,000 kilometers
More economical
- Reduce the speed ratio of the transmission system and improve the transmission efficiency
- Improve the driver’s shifting pattern and reduce fuel consumption
- The engine saves 5% energy and the vehicle saves 10% energy
More comfortable
- Avoid high-frequency torsional vibration areas of the engine
- Reduce engine noise by 2dB(A)
WP4.1 series truck engines
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