Unit · AXIAL-PISTON PUMP
A4VG56EP1DT1/32R-NTC10K045EP-SR902079924
Axial piston pump Bosch Rexroth series A4VG, type code A4VG56EP1DT1/32R-NTC10K045EP-S, material number R902079924. Nominal size: NG 56. 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). Stroking chamber pressure port: stroking chamber pressure port X X (T). DA control valve: without DA control valve (1). Direction of rotation: viewed on drive shaft clockwise (R). Sealing material: NBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber) (N). Drive shaft: splined shaft ANSI B92.1a for combination pump – 1st pump (T). Mounting flange: SAE J744 2-hole (C). Working port (port plate): SAE working port A and B, same side right suction port S bottom (10). Boost pump: without integrated boost pump with through drive (K). Through drive: flange SAE J744 Hub for splined shaft, 101-2 (B) 1 in 15T 16/32DP (04). High-pressure relief valve Setting range ∆pHD: high-pressure relief valve 250 … 420 bar direct operated, fixed setting with bypass (5). Filtration boost circuit/external boost pressure supply: external boost pressure supply (version without integrated boost pump – N00, K...) (E).
- Number
- R902079924
- Type code
- A4VG56EP1DT1/32R-NTC10K045EP-S
- Group
- A4VG 56
- Edition
- 12/2019

| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| R902199697 | ROTARY GROUP Assembly parts list →L | 1 | ||
| R902010810 | CONTROL Assembly parts list →L | 1 | ||
| R902015693 | CONNECTION PLATE Assembly parts list →L | 1 | ||
| — | CONTROL MODULE Assembly parts list →L | 1 | ||
| R902029526 | HOUSING | 1 | ||
| R902132713 | PIVOT PIN | 1 | ||
| R909405732 | POITIONING PIN | 1 | ||
| R909151694 | SCREW PLUGD | 1 | ||
| R909151979 | SCREW PLUGD | 1 | ||
| R909151692 | SCREW PLUGD | 6 | ||
| — | DOUBLE BREAK-OFF PLUG | 2 | ||
| R909156492 | NOZZLE | 2 | ||
| R913016373 | SLOTTED SPRING PIN | 2 | ||
| R909153364 | SCREW PLUGD | 1 | ||
| R909154981 | SETSCREW | 1 | ||
| R909153271 | SEALING NUTD | 1 | ||
| R909156497 | NOZZLE | 1 | ||
| 98 | R902095502 | SEAL KIT | 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) | 56 | 56 |
| Pressure cut-off | Pressure cut-off | D |
| Stroking chamber pressure port | Stroking chamber pressure port X X | T |
| DA control valve | Without DA control valve | 1 |
| Series | Series 3, index 2 | 32 |
| Direction of rotation | Viewed on drive shaft clockwise | R |
| Sealing material | NBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber) | N |
| Drive shaft | Splined shaft ANSI B92.1a for combination pump – 1st pump | T |
| Mounting flange | SAE J744 2-hole | C |
| Working port (port plate) | SAE working port A and B, same side right suction port S bottom | 10 |
| Boost pump | Without integrated boost pump with through drive | K |
| Through drive | Flange SAE J744 Hub for splined shaft, 101-2 (B) 1 in 15T 16/32DP | 04 |
| High-pressure relief valve Setting range ∆pHD | High-pressure relief valve 250 … 420 bar direct operated, fixed setting with bypass | 5 |
| Filtration boost circuit/external boost pressure supply | External boost pressure supply (version without integrated boost pump – N00, K...) | E |
| Connector for solenoids | DEUTSCH connector without suppressor diode molded, 2-pin | P |
| Standard/special version | Special version | -S |