A10VSO28DR/31R-PPA12K25 A10VSO28DR/31R-PPA12N00
A10VSO28DR/31R-PPA12N00 A10VSO28DR/31R-PRC62K02
A10VSO28DR/31R-PSC62K40 Hydraulic Piston Pump
Product Specifications
| Attribute | Value |
|---|
| Brand | Rexroth |
| Delivery Time | 5 days |
| Material | Iron |
| Structure | Variable Piston Pump |
| Material No | R902465419 |
| Type No | AA10VSO71DR/31R-VPA42N00 |
| Condition | Original |
| Seal Type | Lip Seal or Mechanical Seal |
| Warranty | 12 Months |
| Certification | ISO |
Product Description
German Rexroth original hydraulic piston pump designed for
high-performance applications. This variable displacement pump
features long life expectancy and low noise operation.

Available Models
A10VSO 18 Series
A10VSO18DR/31R-PPA12N00
A10VSO18DR/31R-PPA12K01
A10VSO18DFR1/31R-PPA12N00
A10VSO18DFR1/31R-PPA12K01
A10VSO18DFR/31R-PPA12N00
A10VSO18DFLR/31R-PPA12N00
A10VSO18DG/31R-PPA12N00
A10VSO18DRG/31R-PPA12N00
A10VSO18DFE1/31R-PPA12N00
A10VSO18FHD/31R-PPA12N00
A10VSO18ED/31R-PPA12N00
A10VSO 28 Series
A10VSO28DR/31R-PPA12N00
A10VSO28DR/31R-PPA12K01
A10VSO28DFR1/31R-PPA12N00
A10VSO28DFR1/31R-PPA12K01
A10VSO28DFR/31R-PPA12N00
A10VSO28DFLR/31R-PPA12N00
A10VSO28DG/31R-PPA12N00
A10VSO28DRG/31R-PPA12N00
A10VSO28DFE1/31R-PPA12N00
A10VSO28FHD/31R-PPA12N00
A10VSO28ED/31R-PPA12N00
A10VSO 45 Series
A10VSO45DR/31R-PPA12N00
A10VSO45DR/31R-PPA12K01
A10VSO45DFR1/31R-PPA12N00
A10VSO45DFR1/31R-PPA12K02
A10VSO45DFR/31R-PPA12N00
A10VSO45DFR/31R-PPA12K01
A10VSO45DFR/31R-PPA12K26
A10VSO45DFLR/31R-PPA12N00
A10VSO45DG/31R-PPA12N00
A10VSO45DRG/31R-PPA12N00
A10VSO45DFE1/31R-PPA12N00
A10VSO45FHD/31R-PPA12N00
A10VSO45ED/31R-PPA12N00
Frequently Asked Questions
What are common applications for the A10VSO28?
- Construction machinery (excavators, loaders)
- Industrial presses & injection molding
- Material handling equipment
- Agricultural machinery
How do I adjust the pressure setting?
The pressure compensator can be adjusted via the control screw
(refer to the manual for calibration). Always adjust under
controlled conditions.
What maintenance is required?
- Regularly check oil cleanliness and levels
- Inspect seals and replace if leaking
- Monitor for unusual noise or vibration
- Follow Rexroth's service intervals
Common troubleshooting issues
| Issue | Possible Cause | Solution |
|---|
| Low flow | Worn pistons/valve plate | Inspect & replace parts |
| Overheating | High viscosity oil, clogged cooler | Check oil grade, clean cooler |
| Noise | Cavitation, air ingress | Check suction line, bleed air |
Where can I find technical documentation?
Download manuals, datasheets, and CAD files from the official
Rexroth website or authorized distributors. Need further support?
Contact Rexroth technical service or your local distributor.