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Products & ServiceTruck engines

WP9H 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
WP9H310E62 8.8 4 228/1900 1500/1000-1400 187
Common rail + DOC + DPF + Hi_SCR
Tractors、mixer truck
WP9H336E62 8.8 4 247/1900 1600/1000-1400 187
Common rail + DOC + DPF + Hi_SCR
Tractors、mixer truck
WP9H350E62 8.8 4 257/1900 1700/1000-1400 187
Common rail + DOC + DPF + Hi_SCR
Tractors、mixer truck

Product advantages

  • These products are manufactured on Weichai high-end platform and applied with the latest technological achievements, and meet Euro VI emission standards. 
  • Comfort: The customized development of NVH ensures low noise and vibration. 
  • Adaptability: The centrally located intake manifold and flat appearance design ensure easy arrangement. 
  • More safe and reliable

  • The standard WCBS has a braking power up to 226kW.
  • Oil change period of 100,000 km is optional.

    Better economy

  • The speed that can achieve minimum fuel consumption covers the whole working speed range. 
  • The Weichai ECU control system improves driver’s shift schedule and thus reduces fuel consumption. 
  • High configuration

  • The lightweight and modular design of the engine significantly reduces the weight of the engine and reduces the number of peripheral parts. 
  • The cone-shaped silencer ring is used to suppress the high-frequency noise of the turbocharger. In addition, the pre-injection noise reduction technology is applied.
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    R & D

    20000 +
    Global R & D personnel
    R & D institutions in five countries, ten regions


    • 5,000,000 units
    • 22-10000Ps
    • 200 million kilowatts
    • Application for all markets