the invention concerns a hydraulic motor having at least one gearwheel set section , a supply section and a front section on which an output arrangement can be fixed , the sections being connected with each other in the axial direction by fixing bolts . it is desired to simplify the production and the service during operation for such a motor . for this purpose several bores are provided , which penetrate the motor from one axial end to the other , in which connection bolts are arranged , which are provided with an engagement area on the side of the front section .