Unit · AXIAL-PISTON PUMP
AA4VG125HDD1/31L-PSF10F001DR909434630
Axial piston pump Bosch Rexroth series A4VG, type code AA4VG125HDD1/31L-PSF10F001D, material number R909434630. Nominal size: NG 125. Axial piston unit: swashplate design, variable, nominal pressure 400 bar, maximum pressure 450 bar (A4V). Operating mode: pump, closed circuit (G). Pressure cut-off: pressure cut-off (D). DA control valve: without DA control valve (1). Direction of rotation: viewed on drive shaft counter-clockwise (L). Drive shaft: splined shaft for single pump ANSI B92.1a (S). Mounting flange: SAE J744 2+4-hole (F). Working port (port plate): SAE working port A and B, same side right suction port S bottom (10). Boost pump: integrated boost pump with and without through drive (F). Through drive: without through drive, only for version N and F (00). High-pressure relief valve Setting range ∆pHD: high-pressure relief valve, pilot operated 100 … 420 bar with bypass (1). Filtration boost circuit/external boost pressure supply: filtration in the boost pump pressure line Ports for external boost circuit filtration (Fe and Fa) (D).
- Number
- R909434630
- Type code
- AA4VG125HDD1/31L-PSF10F001D
- Group
- A4VG 125
- Edition
- 03/2020

| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| R909433574 | ROTARY GROUP Assembly parts list →L | 1 | ||
| 2 | R909434582 | CONTROL Assembly parts list →L | 1 | |
| R909433835 | CONNECTION PLATE Assembly parts list →L | 1 | ||
| 4 | R902010642 | INTERNAL GEAR PUMP Assembly parts list →L | 1 | |
| 5 | R909437819 | CONTROL MODULE Assembly parts list →L | 1 | |
| R909436788 | HOUSING | 1 | ||
| R909432369 | HOUSING COVER | 1 | ||
| R909435017 | PIVOT PIN | 1 | ||
| 14 | R909405732 | POITIONING PIN | 1 | |
| R902118633 | PIVOT PIN | 1 | ||
| R909153378 | SCREW PLUGD | 1 | ||
| 21 | R909153338 | SCREW PLUGD | 1 | |
| R909153371 | SCREW PLUGD | 3 | ||
| R909083229 | SCREW PLUG | 1 | ||
| R909085545 | O-RINGD | 1 | ||
| R909153572 | SCREW PLUG | 1 | ||
| 27 | R909831320 | DOUBLE BREAK-OFF PLUG | 1 | |
| R909830207 | O-RINGD | 1 | ||
| R909157348 | QUAD RINGD | 1 | ||
| R913016374 | SLOTTED SPRING PIN | 2 | ||
| R909151692 | SCREW PLUGD | 1 | ||
| R909083034 | SOCKET HEAD CAP SCREW | 8 | ||
| R909154982 | SETSCREW | 1 | ||
| 47 | R909087405 | SEALING NUTD | 1 | |
| 48 | R909153339 | SCREW PLUGD | 1 | |
| 49 | R909439372 | NOZZLE | 1 | |
| R909432964 | THREADED PART | 1 | ||
| 51 | R909083761 | O-RINGD | 1 | |
| R909437745 | HYDRAULIC LINE Assembly parts list →L | 1 |
Parameters from the type code
| Item | Meaning | Code |
|---|---|---|
| Axial piston unit | Swashplate design, variable, nominal pressure 400 bar, maximum pressure 450 bar | A4V |
| Operating mode | Pump, closed circuit | G |
| Size (NG) | 125 | 125 |
| Pressure cut-off | Pressure cut-off | D |
| DA control valve | Without DA control valve | 1 |
| Direction of rotation | Viewed on drive shaft counter-clockwise | L |
| Drive shaft | Splined shaft for single pump ANSI B92.1a | S |
| Mounting flange | SAE J744 2+4-hole | F |
| Working port (port plate) | SAE working port A and B, same side right suction port S bottom | 10 |
| Boost pump | Integrated boost pump with and without through drive | F |
| Through drive | Without through drive, only for version N and F | 00 |
| High-pressure relief valve Setting range ∆pHD | High-pressure relief valve, pilot operated 100 … 420 bar with bypass | 1 |
| Filtration boost circuit/external boost pressure supply | Filtration in the boost pump pressure line Ports for external boost circuit filtration (Fe and Fa) | D |