CY4102－C3E/F/G high quality diesel engines are jointly developed by DCD and Austrian AVL consultation company(International well-known internal combustion engine design consultation company),with Euro III emission standard,which has the platform being upgraded to Euro IV. CY4102－C3E/F/G diesel engine is developed on the base of CY4102BZLQ diesel engine,adopting German Bosch company high pressure common rail technology,the injection pressure and injection timing are flexibly controlled,with lower fuel consumption and noise. The engines are applied to 3－5T light –duty trucks, 5－6m buses etc.