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