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Products & ServiceFor construction machinery

WP4.1N series engine for construction machinery

Product portfolio

Model Displacement
(L)		 Number of valves per cylinde Rated power/speed
(kW/rpm)		 Maximum torque/speed
(N.m/rpm)		 Technical route Applicable model
WP4.1NG175E300
4.1
4
129/2300
 680/1400-1600
CR
 35-45T crawler crane
WP4.1NG160E301
4.1
4
118/2200
 665/1400-1600
CR
 6-14T double drum roller

Product advantages

More reliable-high configuration, low failure rate

  • Global procurement, select domestic and foreign famous suppliers for parts and components, effectively improve reliability and reduce failure rate.
  • The 93 sand dust filter adapts to various environments such as dusty and different soil quality, extending the maintenance period of the main filter element and reducing user operating costs.
  • The crankshaft is made of forged steel, which has higher strength, and the front end output can reach.
  • Integrated fuel filter is injected to facilitate vehicle layout and maintenance.
  • Choose suppliers of parts and electrical systems to effectively reduce electrical system failures.

    • More efficient-strong power and high efficiency

  • High speed and constant power, low speed and large torque, good acceleration.
  • The torque reserve rate is up to 25% or more, which is more suitable for different working conditions, and the work efficiency is high.

    • More economical-accurate fuel control, low fuel consumption

  • Optimize supercharger, fuel injector and calibration ECU data, through flexible control of fuel injection pressure, realize multiple injections, reduce engine fuel consumption and improve work efficiency.

    • More comfortable-low vibration and noise

  • Large-flow water pump and low-speed fan effectively reduce cab noise and driving fatigue.
  • Controlled by the electronic control system, the fuel injection pressure is more stable, the response is fast, the fluctuation is small, and the combustion noise is low.

    • Smarter-real-time monitoring, remote control 

  • Installment management, which can locate and remind payment at any time for the whole machine that implements installment payment.
  • Fuel consumption management, real-time recording, monitoring, and storage of engine real-time fuel consumption and comprehensive fuel consumption.
  • Vehicle speed management, real-time recording, monitoring and storage of real-time vehicle speed.
  • Positioning management, can locate the position of the whole machine, and accurately grasp the position information of the whole machine.
  • Security and anti-theft, can track and locate the stolen machine, and lock the machine remotely.
  • Abnormal reminder, real-time monitoring of engine operating parameters and early warning of hidden troubles.
  • Remote diagnosis, automatic fault alarm, remote engine fault analysis and judgment.

    • More adaptable-complex environment, flexible response 

  • Adapt to high temperature and dusty environment.
  • Good cold start, smooth start without any auxiliary measures at -10℃.

    • Drain interval

  • 500h oil drain interval.

    • Environmental adaptability

  • Temperature -35℃～50℃ ,altitude below 4000m.
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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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    Shandong ICP 09087426 37070002001027 Copyright © Weichai Holding Group Co.,Ltd. Business license
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