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Products & ServiceTruck engines

WP12 series truck engine

 Product portfolio

Mode Displacement
Number of valves per cylinder Rated power/speed (kW/rpm) Maximum torque/speed (N·m/rpm) Min. fuel consumption on external characteristic curve (g/kW·h) Technical route Application
WP12.400E50 11.596 4 294/1900 1920/1000-1400 ≤191 CR + SCR tractors
cargo trucks
dump trucks
WP12.430E50 11.596 4 316/1900 2060/1000-1400 ≤193 CR + SCR tractors
cargo trucks
dump trucks
WP12.460E50 11.596 4 338/1900 2110/1000-1400 ≤194 CR + SCR tractors
cargo trucks
dump trucks

Product advantages

  • The WEICHAI Landking engine features compact structure and meets the Euro V and Euro VI emission requirements.
  • Comfort: The customized development of NVH ensures low noise and vibration.
  • Reliable

  • The standard WCBS has a braking power up to 263 kW.
  • 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 WEICHAI ECU control system improves driver’s shift schedule and thus reduces fuel consumption.
  • The engine speed matching point for the same vehicle speed is lowered by 200 r/min, reducing frictional work and 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. 
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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