The RODAC pressurized air jet tire changer has a 110V(1ph) power supply. It offers an inner clamping of 14~28", an outer clamping of 12~26" and a working pressure of 8-10 bar / 116 psi. and a working pressure of 8-10 bar / 116-145 psi. This tire loader is designed for a maximum wheel diameter with tired of 1143 mm and a maximum wheel width of 406mm.