This multi-purpose machine is designed for surfacing concrete floors, restoring or preparing wood decks and hardwood floors. Unique belt drive, three-head system is designed for smooth operation with superior results. Counter-rotating head makes this machine easy to operate and control with no sliding. Bowl Size: 16" Motor: 1 1/2 HP, 115V 60 cycle, 12.5 AMPS, 1760RPM. Power Cord: 30 Ft. 12/3 wire grounded Transport Wheels:6"