Rexroth A10VSO A10VO Piston Pump | A10VO71DFR/30L-PSC61N00 | A10VSO45 A10VSO100

The Rexroth A10VSO and A10VO Series from LIC Hydraulic are the global benchmarks for Variable Displacement Axial Piston Pumps. Engineered for open-circuit systems, these swashplate-design pumps provide unmatched efficiency and reliability. The A10VO71DFR/30L-PSC61N00 model is specifically designed to balance performance and energy consumption via its integrated Load-Sensing (DFR) compensator. We provide 100% drop-in replacements that match original Bosch Rexroth technical specifications for mounting flanges, shaft splines, and control response curves.

Technical Highlights

• Displacements: $18, 28, 45, 71, 100, 140\text{ cc/rev}$.

• Max Pressure: Continuous up to $280\text{ bar}$ ($4060\text{ psi}$), Intermittent up to $350\text{ bar}$.

• Controls: DFR (Load Sensing), DR (Pressure Control), DFE (Electronic Control).

• Mounting: SAE and Metric ISO standards available.

Core Advantages

• Precision Load Sensing (DFR): By adjusting the flow to match the exact requirements of the actuators, the A10VO71 reduces parasitic drag on the engine or motor, extending the service life of the entire hydraulic circuit.

• Rugged Durability: Hardened piston shoes and a high-tensile swashplate assembly allow for reliable operation under high-frequency pressure cycles, even in dusty or humid environments.

• Low Noise Emission: The optimized housing and port plate geometry minimize flow ripple and vibration, making it ideal for indoor industrial power units.

• Versatile Drive Options: Available with through-drive (Through-shaft) capabilities, allowing for the tandem mounting of additional pumps (gear or piston) from a single PTO source.

Expert Maintenance Tips

• Initial Priming: Before the first start-up, the pump case MUST be filled with clean hydraulic fluid through the highest drain port. Starting the pump “dry” will cause catastrophic failure to the cylinder block within seconds.

• Filter Cleanliness: To maintain the efficiency of the DFR controller, maintain oil cleanliness at ISO 18/16/13. Particle contamination is the #1 cause of compensator sticking and spool wear.

• Case Drain Pressure: Ensure the case drain line goes directly to the tank (below oil level) and is not restricted. Excessive case pressure will blow out the shaft seal and damage internal bearings.