Language Switch

Products & ServiceBus engines

WP2.3 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 Applicable model
WP2.3Q115E62 2.289 4 85/3200 280/1600-2400 ≤197 CR+DOC+DPF+Hi-SCR 5.3-6m school bus
WP2.3Q145E62 2.289 4 105/3200 340/1400-2400 ≤197 CR+DOC+DPF+Hi-SCR 5.3-6m school bus

Product advantages

Emission requirements

  • Meet E VI emissions.
  • Economical

  • The economic speed zone covers 1400-2400r/min, and the low fuel consumption zone is wider.
  • Dynamic

  • The torque in the medium and low speed range is increased, and the vehicle starts to accelerate quickly.
  • The maximum torque is 340N·m, which meets the power needs of 5-6 meters school buses.
  • Reliability

  • Pistons, bearings and other main parts are upgraded materials, and high-quality suppliers of Weichai system are adopted.
  • Rigorous and perfect test verification of bench, three high, and vehicle drum to ensure engine reliability.
  • Comfort

  • Noise-reducing designs such as high-precision gears and closed flywheel housings reduce engine body noise.
  • Electronically controlled multiple injection is used to reduce the combustion noise of the engine.
  • Engine semi-anechoic chamber and other test resources to ensure the excellent NVH performance of the engine.
  • Adaptability

  • The front-end gear train of the engine has been optimized, and the whole vehicle can be equipped with a variety of accessories to enrich the user's choice.
  • Back to top

    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