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Products & ServiceTruck engines

WP3N series truck engine

Product portfolio

Mode Displacement
（L）		 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 Applicable model
WP3NQ160E50 2.97 4 118/3000 480/1400-2300 ≤205 CR+SCR
light-duty cargo trucks of category N2 &N3
WP3NQ170E62 2.97 4 125/2800 520/1400-2100 ≤205 CR+DOC+DPF+Hi-SCR light-duty cargo trucks of category N2 &N3

Product advantages

Reliability

  • The wet cylinder liner, gantry type drum engine block, integral cast iron cylinder head are adopted; and the new design of moving parts such as piston, connecting rod crankshaft and bearing shell is adopted. B10 life is 800,000 km.
  • Weichai premium suppliers develop the relevant products according to the high reliability requirements in the heavy truck industry.
  • The engine block and the cylinder head are casted and machined by Weichai, ensuring high consistency.

    Economy

  • Min. fuel consumption: 200 g/kW·h.

    • Power performance

  • Power: 118 kW~125 kW, maximum torque: 520 N·m/(1400~2100) r/min.

    • Comfort

  • The rear-mounted gear chamber, enclosed flywheel housing, and plastic cylinder head cover are adopted, which effectively reduce noise.
  • The standard engine block stiffening plate is used, which ensures a better engine vibration reduction performance than that of competing products. The optional secondary balance mechanism can reduce engine vibration further.

    • Adaptability

  • The modular design, compact layout of peripheral accessories, and various optional structures ensure a wider range of application.
  • The oil filter, alternator, starter and other parts of N platform are universal, ensuring the convenience of maintenance.
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    R & D

    20000 +
    Global R & D personnel
    5+10 
    R & D institutions in five countries, ten regions

    Engines

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

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