The main shaft rotation is transmitted to the towing drum by friction clutch.The friction clutch is spring released, hydraulically engaged, and protects the hydraulic motor against overspeed and overload.The band brake is designed for braking in one direction, suitable for absorbing towing forces when brake is engaged .The band brake is mounted on the drum and is controlled by a hydraulic cylinder, spring engaged/hydraulic released type. Outside of gearbox, a hydraulic motor.