HYDRAULIC GEARBOX ACTUATOR AND ASSEMBLY WITH SUCH A GEARBOX ACTUATOR AND A GEARBOX FOR A DRIVE TRAIN OF A MOTOR VEHICLE

A hydraulic gearbox actuator with a hydraulic pump which has a pump body wherein a rotor is arranged, wherein a drive motor is provided with which the rotor can be driven in opposite directions, wherein two working chambers which are separated from each other are formed in the pump body, the working chambers each having two openings, of which at least three openings are connected to a respective pressure supply circuit, the one side of which is connected to a reservoir and the other side of which is connected to one of three pressure outlets of the gearbox actuator.