1. The mechanical transmission part is designed of three-shaft fixed shaft, applying single and integral box, 6 forward and 1 backward.
2. The executing mechanism is serial clutch control cylinder and parallel gear-selecting composite control cylinder.
3. The controller (TCU) can realize automatic changing of clutches and gears.
4. It can connected to engine and eddy current retarder on bus.
1、Rated power:185~235
2、Input torque:950~1150N.m
3、Max. input speed:2600r/min
4、Ratio at each speed
Speed |
Ⅰ |
Ⅱ |
Ⅲ |
Ⅳ |
Ⅴ |
Ⅵ |
R |
Direct gear |
6.98 |
4.06 |
2.74 |
1.89 |
1.31 |
1.00 |
6.43 |
Over gear |
7.03 |
4.09 |
2.45 |
1.50 |
1.00 |
0.81 |
6.48 |
Over gear |
6.37 |
3.71 |
2.22 |
1.36 |
1.00 |
0.74 |
5.87 |
5、Center distance:154mm
6、Weight:180Kg
6TA-90 automatic vehicle transmission is suitable for medium and large city bus and passenger bus of 10~13.7m.