... machine 1,for concrete,terrazzo,epoxy 2,siemens motor,220V,380V 3,aluminum gear 4,stainless steel diamond ... consume time and labor.Performance:1,With 15 hp motor, it is good for grinding the large area; ... 2,All gear box and motor is made of Aluminum alloy,which is strong ... Weight 280KG Extra (Iron) Weight 45KG Current 24A Motor 15HP (11KW) Inverter 18.5HP(15KW) Voltage 380/460V Hertz 50 ...