Rubber tyred gantry crane (RTG) is a special equipment for dismantling, loading and unloading international standard containers. Running and moving in the yard, it has the advantages of high production efficiency, good maneuverability, and low sensitivity to ground unevenness. RTG crane is available in tractor trolley and standard trolley models. The RTG crane is powered by a cable drum. At the same time, a diesel generator set is equipped in the event of a power outage or the crane is moved to another yard.