Product Overview
The Rexroth A10VSO28DR/31R-VSC12N00 (Material Number: R902495079) is a high-performance axial piston variable displacement pump engineered by Bosch Rexroth for demanding industrial and mobile hydraulic systems. Featuring a swashplate design, this pump operates in an open circuit configuration and delivers precise, load-sensing pressure and flow control through its integrated DR (pressure controller) regulation. With a nominal displacement of 28 cm³/rev, the A10VSO series is renowned for its high power density, superior volumetric efficiency, and long service life, making it a benchmark component in modern hydraulic power units and drive systems.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic Piston Pump (Axial Piston Variable Displacement) |
| Model Designation | A10VSO28DR/31R-VSC12N00 / R902495079 |
| Nominal Displacement | 28 cm³/rev |
| Operating Pressure | Up to 280 bar continuous / 350 bar peak (standard industrial grade) |
| Control Type | DR – Pressure Controller (constant pressure regulation) |
| Mounting & Connection | Standard ISO / SAE flange interface, splined drive shaft |
| Circuit Type | Open circuit |
Engineering Features & Advantages
- Precision Performance: Swashplate axial piston design with DR pressure control delivers accurate, repeatable pressure regulation and smooth variable displacement, minimizing energy loss and heat generation.
- High Power Density: Compact footprint with 28 cm³/rev displacement achieves high flow output at rated pressure, ideal for space-constrained hydraulic power units.
- Industrial Reliability: Built for continuous operation under severe industrial conditions with robust bearings, hardened piston/cylinder interfaces, and proven Rexroth manufacturing quality.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM Rexroth A10VSO series specifications, ensuring drop-in installation.
Typical Industrial Applications
This pump is widely deployed in plastic injection molding machines, metallurgical presses, CNC machine tools, construction and marine hydraulic systems, and general industrial hydraulic power units requiring precise pressure-controlled variable displacement.
PRODUCT IMAGES



REXROTH A10VSO28DR/31R-VSC12N00 / R902495079 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 A10VSO28DR/31R-VSC12N00 / R902495079 Axial Piston Variable Displacement Pump. This German-made hydraulic component features a pressure-controlled swashplate design, delivering reliable, high-efficiency fluid power for heavy-duty industrial systems.





