Unit · AXIAL-PISTON PUMP
AA4VG56DGD1/32L-NSC52F00XD-SR902051337
Axial piston pump Bosch Rexroth series A4VG, type code AA4VG56DGD1/32L-NSC52F00XD-S, material number R902051337. Nominal size: NG 56. Axial piston unit: swashplate design, variable, nominal pressure 5800 psi (400 bar), maximum pressure 6500 psi (A4V). Operating mode: pump, closed circuit (G). Control device: hydraulic control, direct operated (DG). 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). Sealing material: NBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber) (N). Drive shaft: splined shaft for single pump ANSI B92.1a (S). Mounting flange: SAE J744 2-hole (C). Working port (port plate): SAE working port A and B, top and bottom suction port S bottom (52). Boost pump: integrated boost pump with and without through drive (F). Through drive: without through drive, only for version N and F (00). Filtration boost circuit/external boost pressure supply: filtration in the boost pump pressure line Ports for external boost circuit filtration (Fe and Fa) (D). Standard/special version: special version (-S).
- Number
- R902051337
- Type code
- AA4VG56DGD1/32L-NSC52F00XD-S
- Group
- A4VG 56
- Edition
- 12/2019

| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| R902199711 | ROTARY GROUP Assembly parts list →L | 1 | ||
| R902007568 | CONTROL Assembly parts list →L | 1 | ||
| R909609350 | CONNECTION PLATE Assembly parts list →L | 1 | ||
| R909606382 | INTERNAL GEAR PUMP Assembly parts list →L | 1 | ||
| R909405730 | SEALING PLATE Assembly parts list →L | 1 | ||
| R909609783 | SEALING COVER Assembly parts list →L | 1 | ||
| R902029575 | HOUSING | 1 | ||
| R902132713 | PIVOT PIN | 1 | ||
| R909154480 | SCREW PLUGD | 1 | ||
| R909153371 | SCREW PLUGD | 2 | ||
| R909154478 | SCREW PLUGD | 2 | ||
| R909153815 | SCREW PLUGD | 2 | ||
| R909083228 | SCREW PLUG | 1 | ||
| R909086731 | O-RINGD | 1 | ||
| R909153572 | SCREW PLUG | 1 | ||
| 27 | — | DOUBLE BREAK-OFF PLUG | 2 | |
| R909156493 | NOZZLE | 2 | ||
| R913016373 | SLOTTED SPRING PIN | 2 | ||
| R909153364 | SCREW PLUGD | 1 | ||
| R909087912 | SCREW PLUG | 1 | ||
| R909435856 | ECCENTRIC SCREW | 1 | ||
| R909153271 | SEALING NUTD | 1 | ||
| R909156497 | NOZZLE | 1 | ||
| R909607033 | THREADED PART Assembly parts list →L | 1 | ||
| 98 | R902095507 | SEAL KIT | 1 |
Parameters from the type code
| Item | Meaning | Code |
|---|---|---|
| Axial piston unit | Swashplate design, variable, nominal pressure 5800 psi (400 bar), maximum pressure 6500 psi | A4V |
| Operating mode | Pump, closed circuit | G |
| Size (NG) | 56 | 56 |
| Control device | Hydraulic control, direct operated | DG |
| Pressure cut-off | Pressure cut-off | D |
| DA control valve | Without DA control valve | 1 |
| Series | Series 3, index 2 | 32 |
| Direction of rotation | Viewed on drive shaft counter-clockwise | L |
| Sealing material | NBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber) | N |
| Drive shaft | Splined shaft for single pump ANSI B92.1a | S |
| Mounting flange | SAE J744 2-hole | C |
| Working port (port plate) | SAE working port A and B, top and bottom suction port S bottom | 52 |
| Boost pump | Integrated boost pump with and without through drive | F |
| Through drive | Without through drive, only for version N and F | 00 |
| Filtration boost circuit/external boost pressure supply | Filtration in the boost pump pressure line Ports for external boost circuit filtration (Fe and Fa) | D |
| Standard/special version | Special version | -S |