Specifications 1)pto driven wood chipper shredder 2) Automatic hydraulic feeding , 3) 3/4 blades, 8" Diameter Capacity The parameters of pto driven wood chipper shredder MODEL 1 2 Max.Dia. of Feeding 8" 8" Power Tractor 25-55hp,540/720rpm Tractor 25-55hp,540/720rpm Diameter of chipper disk 600mm 600mm Turning speed of chipper disk 1080rpm/1440rpm 1080rpm/1440rpm Feeding System Hydraulic Feeding, Adjustable Speed, Stop-Reverse-Forward Function Feeding by Worm Reduction Gear(4mm/s)Only Forward Function Number of Blades 2PCS 2PCS Chip Size Thickness=4mm Thickness=4mm Rotation Angle of Discharge Spout 360 degree 360 degree Weight 400kg 380kg Working Efficiency 8~9m3/h 7~8m3/h Volume of hydraulic tank 26L / Package dimension (WXDXH) mm 1180X900X1220 1160X900X1220