These machines have it all when it comes to heavy-duty applications including rolled steel bases with non-marking soft bumper guards, a triple planetary gear system, and cast aluminum Start Guard I handle for safety, added strength and operator comfort. Features our heavy-duty, dual-capacitor, 1.5 HP motor with a high torque configuration and low-amp draw for the ultimate in power. From daily polishing to heavy scrubbing or stripping, this machine has what it takes for the cleaning and maintenance professional. Power system: 115V; Brush Design/Type: Rotary Disc. Motor: 1.5 HP; Disc RPM: 175; Motor height: 16". Wheel type: 5" non-marking self lubricating.