Hydraulic Motor Assembly (88701919) is located in the dust collector system, driving the fan to generate suction for effective dust extraction and filtration.Used in following machines before year 2008: CHA550, CHA660, COMMANDO 300, DINO 500, DINO560, RANGER 500, Ranger 600, Ranger 7000. Seal kit for this motor RUB00100036 (Sandvik 504134 )