Abstract: The invention concerns axial piston machines for installation in gearboxes and for detachable attachment thereto, having an machine housing open on one side, a connection block which closes this housing and has a pressure duct and an suction duct for the pressure medium, and a driving shaft rotatably mounted in the machine housing and the connection block, which drive shaft projects from the axial piston machine for the purpose of connection to a gear unit, the gearbox being capable of being closed by means of a gearbox cover, and having through apertures for the supply and discharge of the pressure medium to the pressure duct and suction duct.

Abstract: In an axial piston pump of fixed or adjustable displacement having a two-part housing, namely a housing part accommodating the pistons and a connecting part through which the pressure passage and the suction passage extend, the suction passage having a suction opening with a larger cross-section than that of the pressure passage, the connecting part can be mounted to the housing part as desired in two positions turned substantially through 180.degree. about the center axis of the axial piston engine. This construction enables the pump to be adapted to operate with either direction of displacement with little trouble and expense.