Brueninghaus Hydromatik AA10VS045DRG 31R-PKC62N00 Hydraulic Pump

Brueninghaus Hydromatik AA10VS045DRG 31R-PKC62N00 hydraulic pump is a compact, variable-displacement axial-piston pump from Brueninghaus Hydromatik (a Bosch Rexroth brand) used in mobile hydraulic systems. The AA10VS045DRG designation encodes a 0.045-liter-per-revolution displacement (45 cc) within the AA10V family, with 31R-PKC62N00 porting. In published listings, this configuration is documented with clockwise rotation and a nominal speed rating around 1800 rpm, and a 14-bar class pressure rating; some sources also note that this model has been discontinued by the manufacturer. The unit is cataloged under 00965956 in certain inventories. Common applications include excavators and other heavy equipment where a compact, variable-displacement pump is desired to regulate hydraulic flow and pressure, with the 31R-PKC62N00 port pattern defining the hydraulic connections for installation.