... a completely self-contained, onboard system. A 10 hp, 1800rpm, AC motor, drives two hydraulic pumps and powers the hydraulic system. A ... variable displacement pump provides hydraulic power for the AC drilling motor brakes, powered rotating head, remote actuated IBOP, pipe backup ... adapter that, in turn, connect with hose attachments that run to all the actuators on the pipehandler.The rotating link ...