1. Separated gearbox and torque converter with hydrodynamic transmission technology make high reliability and easy maintenance. 2. Controlled by flexible shaft, hydraulic power shift gearbox with 2 forward and 2 reverse gears makes operate easy. 3. Single pump, split flow working hydraulic system makes lower consumption and excellent performance. 4. Double sealed hydraulic pipeline joints with 24°awl and O ring of international standard, avoiding oil leakage. 5. Load sensing fully hydraulic steering system makes operation easy. 6. Air over hydraulic brake system; Caliper disc brakes. 7. Working device with automatically leveling ability at high position. 8. Bucket articulated points take sealed, lubricated, dust-proof layers, which owns good durability.