1. This model adopts the closed hydrostatic and stepless speed change driving system composed of variable piston pump and variable piston motor, which greatly improves the production efficiency;
2. This model uses the motor as the power source, which is pollution-free and low energy consumption. The motor for plateau area can be installed in high altitude areas;
3.The retraction of this model's of cable is controlled by the hydraulic cable reeling valve, which effectively protects the cable from stretching and prolongs its service life.
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