1. Large rising power, High level unloading, automatic leveling, and the working device has a short action time, which improves the efficiency of the whole machine. 2. Air-over-oil assist brake system, caliper disc brake. 3. Split type hydraulic torque converter, not easy to high temperature, easy maintenance. 4. The forward-leaning front frame has long unloading distance and large lifting weight. Electronic flameout, automatic power off, no switch. 5. The pilot valve is hydraulically operated, and air conditioning is optional.