Ranger R980AT Swing-Arm Tire Changer & Single Tower AssistRanger R980AT Swing Arm Tire Changer & Single Tower Assist 3 HP Motor (220 VAC 50 60 HZ) 10 30" Capacity When you need a tire changer that will get the job done on virtually all commuter and passenger vehicles, including pick up trucks and race cars, the space saving R980AT might be exactly what you need. It features an assist tower to help unseat stiff, low profile tire beads and run flats. A centering cone it holds the bead in the drop center,