REXROTH A A10VSO 45 DR /31R-PPA12N00 / R910907403

Product Overview

The Rexroth A10VSO 45 DR /31R-PPA12N00 (Material Number: R910907403) is a high-performance axial piston variable displacement pump engineered by Bosch Rexroth for demanding industrial hydraulic systems. Operating on the proven swashplate principle, this pump features a 45 cm³/rev nominal displacement and is configured with a DR (pressure/compensator) control, enabling it to automatically adjust displacement to maintain a constant system pressure. As part of the A10VSO series, it is designed for open-circuit applications, delivering exceptional efficiency, precise control, and long service life in continuous-duty industrial environments.

Technical Specifications

Parameter	Specification / Feature
Component Type	Hydraulic Piston Pump (Axial Piston, Variable Displacement)
Model Designation	A10VSO 45 DR /31R-PPA12N00 / R910907403
Nominal Displacement	45 cm³/rev
Control Type	DR – Pressure Compensator (Constant Pressure Control)
Operating Pressure	Up to 280 bar continuous (350 bar peak) – Standard Industrial Grade
Mounting & Connection	Standard ISO / SAE Flange Interface, 4-hole mounting flange
Direction of Rotation	Clockwise (viewed from drive shaft)
Shaft Type	Spline shaft, cylindrical (standard)

Engineering Features & Advantages

Precision Swashplate Performance: The axial piston swashplate design ensures high volumetric efficiency, smooth displacement control, and consistent pressure regulation across the entire operating range.
DR Pressure Compensator Control: Automatically adjusts pump displacement to match system demand, maintaining constant pressure while minimizing energy consumption and heat generation.
Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust bearings, hardened piston shoes, and a durable valve plate for extended service intervals.
Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth OEM standards, ensuring drop-in replacement without modification.
Optimized Noise & Efficiency: Precision-machined cylinder barrel and pistons reduce pulsation and noise, delivering quiet, efficient operation in sensitive industrial environments.

Typical Industrial Applications

This Rexroth A10VSO 45 DR pump is widely deployed in plastic injection molding machines, metallurgical presses, CNC machine tools, and general industrial hydraulic power units. Its pressure-compensated control makes it particularly suited for systems requiring constant holding pressure, such as clamping circuits, accumulator charging, and precision testing stands.

PRODUCT IMAGES

REXROTH A A10VSO 45 DR /31R-PPA12N00 / R910907403 Axial Piston Variable Displacement Pump

⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:

Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
Peace of Mind: Covered by our 12-Month Replacement Warranty.

Shop the genuine REXROTH A A10VSO 45 DR /31R-PPA12N00 / R910907403 Axial Piston Variable Displacement Pump. This German-made hydraulic pump features a swashplate design, delivering reliable, high-pressure fluid power for heavy-duty industrial systems.