YC4G Gas Truck Series

Brief Introduction for Yuchai YC4G Series mono-fuel Engine

YC4G series mono-fuel engine is a compressed natural gas (CNG/LNG) engine specially co-developed by Yuchai and US E-controls Company for city buses and heavy-duty trucks. Its main components are interchangeable with those of YC4G diesel engine, and it has maintained all the advantages of YC4G diesel engine.

Features for Yuchai YC4G Series mono-fuel Engine

  • Higher reliability -
    • Electronic control system: gas feeding, ignition and engine management system;
    • Platinum-plated electrode spark plug: high efficient combustion plus long service life;
    • Air intake & exhaust and combustion system specially designed for gas engine;
    • Garrett GT25 water-cooled exhaust gas turbocharger: featured by higher efficiency and longer service life;
    • E-controlled air intake method: low density gas combustion, gentle combustion, high thermal efficiency, low exhaust temperature;
    • Oxygen sensor: a broad range of air-gas ratios accurately-controlled;
    • Closed-loop control system for all working conditions plus self-learning and diagnosis.
  • Lower noise - Gentle combustion, ultra-low noise, minor vibration, ease and comfort. Specifically, the average noise level < 93dB£¨A£©.
  • Lower emission - Oxidation catalyst converter, up to Euro III standard, further engines up to Euro ¢ô available by upgrading, no visible carbon smoke and particle-free.
  • Easier maintenance - Human-oriented design, higher interchangeability and better approachability, Higher performance & price ratio and better composite benefit.

Main Technical Parameters for Yuchai YC4G Series mono-fuel Engine

Model YC4G180N-30
Type Vertical,in-line,water-cooled,4-stroke, single-point fuel injection
No. of Cylinders 4
Displacement (L) 5.25
Intake way Turbo-charging and inter-cooling
Fuel CNG(Compressed Natural Gas) /LNG(Liquefied Nature Gas)
kW/r/min Rated power/Speed 132/2300
N.m/r/min Max. Torque/ Speed 650/1400
£¨g/kW.h£© Min. Fuel Consumption at Full Load ¡Ü210
Noise £¨ISO 3744£©dB(A) ¡Ü93
Emission Euro-III
Application Light-duty trucks
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