WP12 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.

WP12 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
WP12.400E50 11.596 4 294/1900 1920/1000-1400 191 Common rail + SCR Tractors, dump trucks, trucks
WP12.430E50 11.596 4 316/1900 2060/1000-1400 191 Common rail + SCR
Tractors, dump trucks, trucks
WP12.460E50 11.596 4 338/1900 2110/1000-1400 191
Common rail + SCR
Tractors、dump trucks、trucks
WP12.400E63 11.596 4 294/1900 2000/1000-1400 187
Tractors, dump trucks, trucks
WP12.430E63 11.596 4 316/1900 2100/1000-1400 187
Tractors, dump trucks, trucks
WP12.460E63 11.596 4 338/1900 2200/1000-1400 187
Tractors, dump trucks, 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.

More safe and reliable

  • The standard WCBS has a braking power up to 263kW.
  • 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 200r/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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