The 800-LE is a large platform grinder equipped with the self propel system, allowing the machine to move without any effort from the operator, reducing operator fatigue. The operator only needs to steer the machine, the travel speed is controlled by a potentiometer on the machine panel. Designed to meet the standards and demands for a 31″ planetary grinder for coating removal, surface prep, and polishing concrete. This machine provides the benefits of a remote control grinder without the price