WP6TQHS 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 |
| WP6Q260E62 | 5.5 | 4 | 191/2100 | 900/1200-1500 | 185 | Common rail + DOC + DPF + SCR | Truck |
| WP6Q280E62 | 5.5 | 4 | 206/2100 | 950/1200-1500 | 185 | Common rail + DOC + DPF + SCR | Truck |
| WP6Q280E62 | 5.5 | 4 | 206/2100 | 1000/1200-1500 | 185 | Common rail + DOC + DPF + SCR | Truck |
| WP6Q290E62 | 5.5 | 4 | 213/2100 | 1050/1200-1500 | 185 | Common rail + DOC + DPF + SCR | Truck |
| WP6Q300E62 | 5.5 | 4 | 221/2100 | 1050/1200-1500 | 185 | Common rail + DOC + DPF + SCR | Truck |
| WP6T260E62 | 5.5 | 4 | 191/2100 | 900/1200-1500 | 185 | Common rail + DOC + DPF + SCR | Truck |
| WP6T280E62 | 5.5 | 4 | 206/2100 | 950/1200-1500 | 185 | Common rail + DOC + DPF + SCR | Truck |
| WP6T280E62 | 5.5 | 4 | 206/2100 | 1000/1200-1500 | 185 | Common rail + DOC + DPF + SCR | Truck |
| WP6T290E62 | 5.5 | 4 | 213/2100 | 1050/1200-1500 | 185 | Common rail + DOC + DPF + SCR | Truck |
| WP6T300E62 | 5.5 | 4 | 221/2100 | 1050/1200-1500 | 185 | Common rail + DOC + DPF + SCR | Truck |
| WP6H270E68S | 5.5 | 4 | 195/2100 | 900/1200-1500 | 185 | Common rail + DOC + DPF + SCR | Truck |
| WP6H290E68S | 5.5 | 4 | 213/2100 | 1000/1200-1500 | 185 | Common rail + DOC + DPF + SCR | Truck |
| WP6H300E68S | 5.5 | 4 | 221/2100 | 1050/1200-1500 | 185 | Common rail + DOC + DPF + SCR | Truck |
Product Advantages
- Emission requirements: Meet National VI emission standards
- Technical route: electronically controlled high-pressure common rail system, precise control
- Comfort: Customized development of vehicle NVH, low noise and low vibration
- Small size: Smaller than similar products, more convenient for vehicle manufacturers to match
- Electronic control system: independent ECU control system, functions developed for the medium and heavy truck market, strong adaptability
- Low-pressure oil circuit: electronically controlled pump oil, good low-temperature starting performance, strong oil adaptability
- Intake system: Four-valve structure, more complete intake and more efficient combustion
- Cooling system: optional Weichai common silicone oil clutch fan, electronically controlled silicone oil clutch fan, good cooling effect
Safer and more reliable
- Reduce the speed of moving parts and extend the movement time
- Reduce friction pair wear per unit time
- High reliability forged steel crankshaft and overhead camshaft design; high wear-resistant coating piston rings, bearings and bushings
More economical
- Adopting advanced combustion system, crankshaft offset, low energy consumption accessories and low friction matching and other black technologies
- Improve the driver’s shifting rules and reduce fuel consumption; the fuel consumption under common working conditions is 6-8g/kW·h lower than that of similar products
More comfortable
- Avoid high-frequency torsional vibration areas of the engine
- Domestic advanced anechoic chamber optimizes noise, all series are equipped with air compressor intake silencer and two-stage balancing mechanism
WP6TQHS series truck engines
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