Product Overview
The Rexroth A10VO74DFLR/31R-VSC42N00-S4520 (Material Number: R902520666) is a high-performance axial piston variable displacement pump engineered by Bosch Rexroth for open-circuit industrial and mobile hydraulic systems. Featuring a swashplate design, this pump delivers precise, load-sensing variable displacement control with exceptional volumetric efficiency and high-pressure capability. The A10VO series is globally recognized for its robust construction, long service life, and superior power-to-weight ratio, making it a benchmark component in demanding hydraulic circuits requiring accurate flow control and energy-efficient operation.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Axial Piston Variable Displacement Pump |
| Model Designation | A10VO74DFLR/31R-VSC42N00-S4520 |
| Material Number | R902520666 |
| Displacement | 74 cm³/rev (nominal) |
| Control Type | DFLR — Pressure/Flow/Load-Sensing Control |
| Operating Pressure | Up to 280 bar continuous / 350 bar peak |
| Mounting & Connection | SAE / ISO standard flange, splined drive shaft |
| Circuit Type | Open circuit |
| Direction of Rotation | Clockwise (viewed from drive shaft) |
Engineering Features & Advantages
- Precision Swashplate Design: Axial piston configuration with swashplate angle control delivers infinitely variable displacement, ensuring precise flow matching to system demand and reduced energy consumption.
- DFLR Load-Sensing Control: Integrated pressure, flow, and load-sensing control enables demand-based pump output, minimizing throttling losses and heat generation in the hydraulic circuit.
- High-Pressure Capability: Robust bearing and piston-shoe design supports continuous operation up to 280 bar, suitable for high-demand industrial and mobile applications.
- Industrial Reliability: Built for continuous operation under severe industrial conditions with long service intervals and proven field durability.
- 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 ideally suited for plastic injection molding machines, metallurgical presses, CNC machine tools, construction and marine hydraulic systems, and other heavy industrial equipment requiring precise variable displacement control in open-circuit configurations.
PRODUCT IMAGES

Rexroth A10VO74DFLR/31R-VSC42N00-S4520 / R902520666 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 A10VO74DFLR/31R-VSC42N00-S4520 / R902520666 Axial Piston Variable Displacement Pump. This Germany-made hydraulic pump features a swashplate design, delivering reliable, high-pressure fluid power for heavy-duty industrial systems.
Related products
- Hydraulic Piston Pumps
KPM K3V112DP-1F9R-9YB4-HVD Axial Piston Variable Displacement Pump
Inquire Now - Hydraulic Piston Pumps
HYTEK HA4VTG90HWM/39R-NSD13F005P-S058 Axial Piston Variable Displacement Pump
Inquire Now





