YC4G Gas Bus Series

Features for Yuchai YC4G Bus Mono-fuel Engine

  • Full-Authority Electronic Controls ¨C Optimize engine performance and provide seamless integration with other components, advanced diagnostics, plus a complete set of programming options.
  • Higher reliability ¨C
    • 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, lower gas specific consumption, 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 ¨C Gentle combustion, ultra-low noise, minor vibration, ease and comfort. Specifically, the average noise level < 93dB£¨A£©.
  • Lower emission ¨C 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 ¨C Human-oriented design, higher interchangeability and better approachability.
  • Higher performance & price ratio and better composite benefit.

Main Technical Parameters for Yuchai YC4G Bus 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 Natural Gas)
Rated power/Speed £¨kW/r/min£© 132/2300
Max. Torque/ Speed£¨N.m/r/min£© 650/1400
Min. Fuel Consumption at Full Load£¨g/kW.h£© ¡Ü210
(ISO  3744) NoisedB(A) ¡Ü93
Emission Euro-III
Application 8-9 meter bus
Data Loading, please wait.
Operation successful!