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Products & ServiceBus engines

WP12 series bus engine


Product parameters

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 Application
WP12.400E50 11.596 4 294/1900 1920/1000-1400 ≤185 CR+SCR 18m BRT
Over 12m
luxury coach
WP12.430E50 11.596 4 316/1900 2060/1000-1400 ≤185 CR+SCR 18m BRT
Over 12m
luxury coach
WP12.460E50 11.596 4 338/1900 2110/1000-1400 ≤185 CR+SCR 18m BRT
Over 12m
luxury coach

Product advantages

  • meet Euro V 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

  • 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
    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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