Hydraulic Recommendations ：15-20 GPM @ 3000 psi
Return Pressure (starting pressure 3000 psi, 20 gpm) 
Rated Weight Capacity for Handling Rocks： 5000 lbs (2268 kg)
Rated Weight Capacity for Handling Trees：2000 lbs (907 kg)
Max Tree Length ：35 ft (10.6 m)
Rotation Angle .：0° - 127° to Operator’s Left
Attachment length, width and height ：49.6*23*11.4 in
Base L×W×H ：60.2*20.2*23.5 in