(Powder River) Model 003-40020. The Powder River Rancher Hydraulic Chute with Pivot Arm allows you to decide the position of your hydraulic control levers. Unique 340 degree pivot arm allows the hydraulic control levers to be located from side to side or front to back on either side of the chute. Control levers adjust vertically on pivot arm, allowing anyone to work the chute from a comfortable position, even from a chair or stool. Stanchion, center squeeze and tailgate controlled by hydraulic cylinders.