... CylinderThreshing DrumDiameter x Width (mm)446 x 900Revolving Speed (rpm)Rice:480, Barly:542Treating DrumDiameter x Width (mm)170 x 500Revolving ... Speed (rpm)Rice:1298, Barly:1468Selecting TypeVibrating, Blowing, SuckingGrain Outlet TypeHopper, 3 outlet ... TypeCutter, DropperWorking Efficiency (min/10a)12~18 mini wheat and rice combine harvester