RA428 series passenger car engines
Weichai Power’s National VI bus products have displacements ranging from 2.3L to 10L, power coverage of (88~294) kW, torque coverage of (320-1900) N·m, and can meet National VI, Euro VI and other emission standards; they are suitable for various types of vehicles such as tourist passenger transport, groups, public transportation, hybrid power, high-end business, European light buses, school buses, special-purpose vehicles, etc., with 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 | |
| RA428Q163E61 | 2.8 | 4 | 120/3200 | 420/1400-2600 | 200 | CR+EGR+DOC+DPF+SCR | VAN cars, high-end imitation cars, European light passenger cars |
|
Product Advantages
Emission requirements
- Meet the National VI Emission Standard
Economical
- The lowest fuel consumption rate is 5g/kW·h lower than that of the competitors, and the fuel consumption per 100 kilometers is 0.7L lower than that of the competitors.
- The economic speed range is from 1400r/min to 2600r/min, which is wider than competing products
Dynamics
- Low speed – engine fuel consumption rate curve shifts to the low and medium speed area, the low fuel consumption area is wider, the torque speed range is wide, and the vehicle power is strong
- The maximum torque is increased by 5%, the acceleration performance is superior, and the acceleration time from 0 to 80 km/h is 10% better than that of competing products.
reliability
- Rigorous and complete test bench, three highs, vehicle drum and other test assessments and verifications ensure the reliability of key engine components and can meet the requirements of different working conditions.
- B10 lifespan can reach 800,000 kilometers
Comfort
- Double overhead camshafts, offset crankshaft structure, and high-precision gear design effectively reduce engine vibration
- Carry out precise fuel injection calibration for VAN vehicle working conditions, significantly reducing vehicle vibration and noise
Adaptability
- The front-end gear train of the engine has been optimized, and the vehicle can be equipped with a variety of accessories such as generators, power steering pumps, air conditioning compressors, etc., enriching the user’s choices
RA428 series passenger car eng...
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