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YC4G Mono-fuel Engine 
 

. Features And Benefits
Full-Authority Electronic Controls ¨C Optimize engine performance and provide seamless integration with other components, advanced diagnostics, plus a complete set of programming options.
¡ñHigher 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, 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.
¡ñLower noise
Gentle combustion, ultra-low noise, minor vibration, ease and comfort. Specifically, the average noise level < 93dB£¨A£©
¡ñLower 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
¡ñEasier maintenance
Human-oriented design, higher interchangeability and better approachability
¡ñHigher performance & price ratio and better composite benefit
Main Technical Parameters
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
 
 
 
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hzcms publishdate:2008/11/21 17:25:37