China Yuchai - YC6J Series Mono-fuel Engine for Vehicles

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 TBP4 water-cooled exhaust gas turbocharger: featured by higher efficiency and longer service life;

E-controlled pressure regulating 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;

Full-Authority Electronic Controls - Optimize engine performance and provide seamless integration with other components, advanced diagnostics, plus a complete set of programming options.
 
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 IV 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

Model	YC6J210N-30	YC6J190N-30
Type	Vertical,in-line,water-cooled,4-stroke, single-point fuel injection
No. of Cylinders	6
Displacement (L)	6.5
Intake way	Turbo-charging and inter-cooling
Fuel	CNG(Compressed Natural Gas) /LNG (Liquefied Natural Gas)
Rated power/Speed(kW/r/min)	155/2500	140/2500
Max. Torque/ Speed(N.m/r/min)	710/1500	650/1500
Min. Fuel Consumption at Full Load(g/kW.h)	<= 210
Noise (ISO  3744) dB(A)	<= 93
Emission	Euro III