... cement,stone,marble etc Big 71cc 2.8kw petrol engine - massive power to get the job done FAST. ... Metal Work with a compatible cutting wheel.1)Engine:1E50F,air cooling,2-stroke 2)Displacement:71cc ... 8KW/4.0HP4)Idle speed:2900rpm5)Blade speed:5400rpm6)Engine speed:9400rpm7)Fuel tank capacity:700ml 8)Blade ... size:660x270x460mm12)Loading Amount:360pcs/20'GP Gasoline Cut off saw with Multi Purpose blade