Product Overview

The Rexroth A10VSO28DFR1/31R-PPA12N00 (Material Number: R902404112) 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 nominal displacement of 28 cm³/rev and is configured with the DFR1 control variant, which combines pressure control (DR) with flow control (FR) to deliver precise load-sensing performance. The A10VSO series is a globally recognized benchmark for open-circuit medium-pressure hydraulics, offering excellent power density, high volumetric efficiency, and long service life. This pump is designed to serve as a reliable, energy-efficient pressure and flow source in a wide range of stationary and mobile industrial applications.

Technical Specifications

Parameter	Specification / Feature
Component Type	Hydraulic Piston Pump (Axial Piston Variable Displacement)
Model Designation	A10VSO28DFR1/31R-PPA12N00
Material Number	R902404112
Nominal Displacement	28 cm³/rev
Control Type	DFR1 – Pressure & Flow Control (Load Sensing)
Operating Pressure	Up to 280 bar continuous / 350 bar peak
Mounting & Connection	SAE flange, standard ISO mounting interface
Rotation Direction	Clockwise (viewed from shaft end)

Engineering Features & Advantages

Precision Performance: The swashplate axial piston design with DFR1 control delivers accurate pressure and flow regulation, enabling load-sensing operation that significantly reduces energy consumption and heat generation.
High Power Density: Compact footprint with a 28 cm³/rev displacement provides high output within a small installation envelope, ideal for space-constrained machinery.
Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust bearings and hardened piston/cylinder interfaces ensuring long service life.
Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth OEM standards, ensuring drop-in replacement without modification.

Typical Industrial Applications

This pump is widely deployed in plastic injection molding machines, metallurgical presses, CNC machine tools, and construction & marine hydraulic systems. Its load-sensing DFR1 control makes it particularly suited for applications requiring variable flow with precise pressure limitation, such as hydraulic power units, industrial automation, and mobile equipment where energy efficiency and dynamic response are critical.

PRODUCT IMAGES

REXROTH A10VSO28DFR1/31R-PPA12N00 / R902404112 Axial Piston Variable Displacement Pump

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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 A10VSO28DFR1/31R-PPA12N00 / R902404112 Axial Piston Variable Displacement Pump. This German-made hydraulic pump features a pressure-controlled design, delivering reliable, high-efficiency fluid power for heavy-duty industrial systems.