WP7 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.

WP7 series truck engine

Product portfolio

Mode Displacement
Number of valves per cylinder Rated power/speed
Maximum torque/speed
Min. fuel consumption on external characteristic curve
Technical route Applicable model
WP7.270E51 7.5 4 199/2100 1200/1200-1600 191.3 Common rail + SCR Trucks、
Mixer trucks
WP7.300E51 7.5 4 220/2100 1300/1200-1600 191.3 Common rail + SCR Trucks、
Mixer trucks
WP7.270E61 7.5 4 199/2100 1200/1200-1600 189 Common rail + EGR + DOC + DPF + SCR Trucks、
Mixer trucks
WP7.300E61 7.5 4 220/2100 1300/1200-1600 189 Common rail + EGR + DOC + DPF + SCR Trucks、
Mixer trucks


Product advantages

  • Emission standards: China V and China VI.
  • Power performance: High power, high torque (and high output torque at low speed).
  • Economy: The optimized powertrain system ensures low fuel consumption; the engine is able to achieve high mechanical efficiency at low speed, ensuring low fuel consumption.
  • Comfort: The customized development of NVH ensures low noise and vibration.
    More safe and reliable
  • B10 life is greater than 1,000,000 km.
    Better economy
  • The speed that can achieve minimum fuel consumption covers the whole working speed range.
  • The intake and exhaust manifolds are arranged on different sides, improving charge efficiency, optimizing combustion, and improving economy.
    High configuration
  • The integrated rotor-type oil pump and standard shear gear reduce the transmission noise further.

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