Brueninghaus Rexroth AA4VS0125-SO-43 Variable Piston Pump

Brueninghaus Rexroth AA4VS0125-SO-43 is an axial piston, variable-displacement hydraulic pump designed for high-demand industrial power units, machine tools, and heavy equipment where precise hydraulic control is essential. This model is rated to deliver up to 59 gallons per minute and withstand pressures up to 5,000 psi, enabling adjustable flow to hydraulic circuits while maintaining robust performance across a wide operating range. As part of Rexroth's AA4VS family, the AA4VS0125-SO-43 variant provides reliable displacement control and is commonly used in hydraulic power units, presses, extrusion equipment, and other machinery requiring high pressure and substantial flow. The AA4VS0125-SO-43 designation identifies the exact configuration within the AA4VS lineup, ensuring compatibility with Rexroth mounting patterns and porting conventions across the family. Designed for demanding industrial environments, it supports solid duty cycles and long service life when operated with compatible Rexroth guidance, offering a reliable hydraulic power source for mission-critical equipment.