... motor,220V 4,for concrete,terrazzo planetary concrete floor polishing machine is not only grinding and polishing concrete, marble,granite, terrazzo, ... for repairing, grinding, polishing, crystallizing millstones.planetary concrete floor polishing machine HWG 78 has the quickest motor speed, from ... Iron) Weight 45KG Current 16A Motor 10HP (7.5KW) Inverter 15HP (7.5KW) Voltage 220/380/460V Hertz 50/60HZ ...