| Type | Model | Displacement | Emission | Rated Power | Maximum Torque |
| YC6A | YC6A240-20 | 7.255 | Euro II | 177/2300 | 860/1500 |
| YC6A260-20 | 191/2300 | 950/1500 | |||
| YC6A280-20 | 206/2200 | 1100/1500 | |||
| YC6A240-30 | Euro III | 177/2300 | 900/1400-1600 | ||
| YC6A260-30 | 191/2300 | 1000/1400-1600 | |||
| YC6A240-40 | Euro IV | 177/2300 | 900/1400-1600 | ||
| YC6A260-40 | 191/2300 | 1000/1400-1600 | |||
| YC6A270-40 | 199/2300 | 1000/1400-1600 |
Keywords:bus engine,yuchai bus engine, diesel engine,weichai engine,weichai
Yuchai slogan：Outstanding Quality Global Yuchai
Feature：
· Higher efficiency, lower fuel consumption, better for environmental protection
· Bosch E-control high pressure Common Rail, Meeting the Euro-II,III,IV and V standard of emission
· Power range covering 66-294 kW
