Product characteristics：
The main box has double countershaft structure and the auxiliary box has planetary deceleration structure, which has strong bearing capacity and reliable structure;
The combination of forced lubrication and gear splash lubrication makes the lubrication more sufficient and suitable for various road conditions;
Integrated gear selection design, clear gear, flexible gear shifting;
It adopts helical gear design with low working noise;
There are many kinds of control modes, single lever, double lever or direct control;
Full synchronizer design, more light shift;
Compact structure, light weight;
The main box can take off force in neutral.
Selection status：
Power take-off such as HW50 can be selected.
Application field：
Suitable for road vehicles and engineering vehicles.
| Model | Rated input torque(Nm) | weight（kg） | Fuel volume（L） | Total length（mm） | Optional aluminum shell |
| HW13709XST | 1350 | 327 | 9.5 | 859 | |
| HW13709XSTC | 1350 | 327 | 9.5 | 859 | |
| HW16709XST | 1650 | 347 | 10.5 | 879 | |
| HW16709XSTC | 1650 | 347 | 10.5 | 879 | |
| HW19709XST | 1900 | 382 | 12 | 915 |
