RT20 has a rated load capacity of20tons, with forward suspended seats designed for long-distance transportation needs. The main components of the vehicle are made of internationally renowned brands and the control system usesCAN bus communication technology. The hydraulic system uses electro-hydraulic proportioning pilot control. The on-board 7-inch display screen can display real-time running parameters of the loader, and has fault warning and self-diagnostic functions. The overall size is compact with a small turning radius, large dumping angle, and can meet the complex road conditions and climbing requirements of underground tunnels.