3 heads professional floor grinder fitted with a powerful 15 Kw – 20 Hp Siemens motor. Suitable for grinding and polishing Concrete and Natural Stone surfaces on large areas. Thanks to the forced counter rotating planetary system (820 mm) provide a considerable saving of labor and work time. Equipped with 3-position weight adjustment system to allows to balance the weight of the machine forward or backward to increase or decrease the working pressure. It also facilitates the transport and tilting of the machine for tool change. Wide pneumatic wheels allow easy maneuverability on the work area, good grip and no marks on the floor. The model RC is equipped with New Remote Control System.