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Products & ServiceTruck engines

WP4.1N 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
WP4.1NQ190E50 4.088 4 140/2600 680/1300-1900 ≤200 CR+SCR
Cargo trucks
dump trucks
Sanitation trucks
mixer trucks
truck-mounted cranes
WP4.1NQ200E62 4.088 4 147/2300 750/1300-1700 ≤195 CR+DOC+DPF+Hi-SCR Cargo trucks
dump trucks
Sanitation trucks
mixer trucks
truck-mounted cranes

Product advantages

  • Emission standards: Euro V and Euro VI.
  • Technical route: The electronically controlled high-pressure common rail system is used to ensure precise control.
  • Comfort: The customized development of NVH ensures low noise and vibration.
  • Light weight: Its applies a large number of cast aluminum parts and is the lightest one among those products of same power.
  • Small size: small in size, ensuring the easy assembling in OEM.
  • Reliable

  • The movement speed of moving parts is reduced, and the movement time is prolonged.
  • The wear of friction pairs per unit time is reduced.
  • The service life of the crankshaft flywheel system and gear system is prolonged.
  • Better economy

  • The speed ratio of drivetrain is reduced, improving transmission efficiency.
  • The driver‘s shift schedule is improved, reducing fuel consumption.
  • More comfortable

  • The high frequency torsional vibration zone of the engine is avoided.
  • The noise reduction flywheel housing and the domestic advanced anechoic chamber are used to reduce noise.
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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