1. Adopts 4‑wheel and 1‑belt system for construction machinery, with reliable performance and low failure rate.Adopts plunger type traveling motor, with strong climbing capacity and stable rig movement.The control pedal can effectively improve the operator's safety during rig relocation.2. The multi‑way valve is reasonably arranged, bringing convenient and quick maintenance and pressure adjustment.The LCD display can accurately monitor the operation status of the three‑stage