1.42.7cc,52.0cc earth auger 2.New style gear case,more powerful 3.Efficient ... Idling speed:2800~3200r/min•Mixture fuel:90#,93# gasoline,2-cycle oil•Fuel capacity:1.0 liters•Fuel mixture ... of high-quality gasoline powered garden machines. such as gasoline chainsaw, brush cutter & grass trimmers. hedge trimmers ,lawn mowers, earth drillers, water ... .Thanks! 2012 new CE 42.7cc 52.0cc earth auger CCD-590