A hitch for attaching to the rear of a vehicle, the hitch thereby comprising a) a pivot bearing unit which can be connected to a vehicle part in a force-transmitting manner, which defines a vertically running first pivot axis, b) a pivot bearing body mounted in or on the pivot bearing unit around the first pivot axis, which defines a second pivot axis, c) a ball rod which can be pivoted around the second pivot axis and is articulately connected to the pivot bearing body at a first end and comprises a coupling ball at a oppositely lying second free end, d) a drive device by means of which the ball rod can be transferred from an operating position, in which the coupling ball is freely accessible behind the rear of the vehicle, into a park position and vice versa, in which the coupling ball is concealed below the vehicle, wherein the ball rod is can be rotationally moved around the second pivot axis relative to pivot bearing body during the transfer from the operating position into the park position and vice versa, e) a slide guide by means of which the pivot bearing body can be moved both translationally in the vertical direction as well as rotationally around the vertically aligned first pivot axis during the transfer from the operating position into the park position and vice versa, wherein a sliding block on or in the pivot bearing unit or the pivot bearing body and a sliding track interacting with the sliding block are arranged on or in the pivot bearing body or the pivot bearing unit, and f) at least one locking device by means of which, in the park position and/or in the operating position, the pivot bearing body can be blocked relative to the pivot bearing unit and the ball rod can be blocked relative to the pivot bearing body or the pivot bearing unit. characterized in that the sliding block can be moved in one direction perpendicular to the first pivot axis with at least one component of its direction of movement so that the sliding block can interact with sliding tracks consisting of different depths. a) a pivot bearing unit which can be connected to a vehicle part in a force-transmitting manner, which defines a vertically running first pivot axis, b) a pivot bearing body mounted in or on the pivot bearing unit around the first pivot axis, which defines a second pivot axis, c) a ball rod which can be pivoted around the second pivot axis and is articulately connected to the pivot bearing body at a first end and comprises a coupling ball at a oppositely lying second free end, d) a drive device by means of which the ball rod can be transferred from an operating position, in which the coupling ball is freely accessible behind the rear of the vehicle, into a park position and vice versa, in which the coupling ball is concealed below the vehicle, wherein the ball rod is can be rotationally moved around the second pivot axis relative to pivot bearing body during the transfer from the operating position into the park position and vice versa, e) a slide guide by means of which the pivot bearing body can be moved both translationally in the vertical direction as well as rotationally around the vertically aligned first pivot axis during the transfer from the operating position into the park position and vice versa, wherein a sliding block on or in the pivot bearing unit or the pivot bearing body and a sliding track interacting with the sliding block are arranged on or in the pivot bearing body or the pivot bearing unit, and f) at least one locking device by means of which, in the park position and/or in the operating position, the pivot bearing body can be blocked relative to the pivot bearing unit and the ball rod can be blocked relative to the pivot bearing body or the pivot bearing unit.