Axial piston pumps with variable cylinder for medium pressure, the VPPDs are axial pistons with variable displacement with oscillating plate, suitable for applications in open circuit at medium pressure, silent and reliable. They are available in three displacements of 15, 23 and 38 cm3/Giro, with centering type SAE J744 -2 Forums, SAE A and SAE B for the VPPD -038, and a cylindrical key to the key. Radiale oil mouths with bspp thread. Pump control checks: PC pressure compensator, PCR remote pressure compensator, PQC (Load Sensing) pressure control.