1. Using hydraulic mechanical transmission system, it can automatically adapt to changes in external resistance within a certain range, and carry out stepless speed change. The drastic change of external resistance has no direct influence on diesel engine; 
2, using power shift gearbox, easy to operate; 
3. It adopts front and rear axle four-wheel drive and solid core filling tires. It has large driving force and strong climbing ability. It can adapt to various bad road conditions in the underground and has long tire life. 
4, the use of articulated frame, flexible rotation, small turning radius; 
5. Full hydraulic steering, compact structure, stable steering and convenient maintenance;
6.Using full hydraulic wet multi-disc brake, simple structure, safe and reliable; 
7. The working device has a high unloading height and can directly unload the underground mining truck. 
8. The machine can be quickly replaced between various working devices such as buckets, forks, lifting platforms and small cranes.