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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 tha

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°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.

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An axial piston pump of the swash plate type, having a two-part housing, including a housing part accommodating the pistons, and a connecting piece through which the pressure passage and the suction passage extend, wherein the suction passage has a larger cross-sectional suction opening then the pre

An axial piston pump of the swash plate type, having a two-part housing, including a housing part accommodating the pistons, and a connecting piece through which the pressure passage and the suction passage extend, wherein the suction passage has a larger cross-sectional suction opening then the pressure passage, the pistons are arranged in a rotatable cylinder drum and a control disc having control openings is arranged between the cylinder drum and the connecting piece, characterized in that the connecting piece can be mounted on the housing part in two alternative positions turned substantially through 180°about the center axis of the axial piston pump; and the control disc can be mounted as desired in two mounting positions which, in relation to one another, are turned substantially through 180°about the center axis of the axial piston pump or are turned about a transverse axis extending substantially centrally of the control openings.