Unit · AXIAL-PISTON PUMP
A4VG28DG1/30R-PSC10F011DR909441121
Axial piston pump Bosch Rexroth series A4VG, type code A4VG28DG1/30R-PSC10F011D, material number R909441121. Nominal size: NG 28. Axial piston unit: swashplate design, variable, nominal pressure 400 bar, maximum pressure 450 bar (A4V). Operating mode: pump, closed circuit (G). Control device: hydraulic control, direct operated (DG). DA control valve: without DA control valve (1). Direction of rotation: viewed on drive shaft clockwise (R). 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, same side right suction port S bottom (10). Boost pump: integrated boost pump with and without through drive (F). Through drive: flange SAE J744 Hub for splined shaft, 82-2 (A) 5/8 in 9T 16/32DP (01). 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
- R909441121
- Type code
- A4VG28DG1/30R-PSC10F011D
- Group
- A4VG 28
- Edition
- 06/2020
This parts list has no drawing.
| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| 1 | R909434321 | ROTARY GROUP Assembly parts list →L | 1 | |
| 2 | R909434070 | CONTROL Assembly parts list →L | 1 | |
| 3 | R909427590 | CONNECTION PLATE Assembly parts list →L | 1 | |
| 4 | R909428762 | INTERNAL GEAR PUMP ASSEMBLY Assembly parts list →L | 1 | |
| 8 | R909443342 | HOUSING | 1 | |
| 9 | R909426076 | HOUSING COVER | 1 | |
| 10 | R909414228 | SCREW PLUG | 2 | |
| 11 | R909449291 | PIVOT PIN | 2 | |
| 15 | R909432832 | ECCENTRIC SCREW | 1 | |
| 16 | R909435277 | SEALD | 1 | |
| 17 | R909083018 | SOCKET HEAD CAP SCREW | 11 | |
| 18 | R913016373 | SLOTTED SPRING PIN | 2 | |
| 19 | R909152726 | SEAL RINGD | 2 | |
| 20 | R909151694 | SCREW PLUGD | 3 | |
| 21 | R909151692 | SCREW PLUGD | 3 | |
| 22 | R909419280 | LOCKING PIECE Assembly parts list →L | 1 | |
| 24 | R909831318 | DOUBLE BREAK-OFF PLUG | 2 | |
| 26 | R909153271 | SEALING NUTD | 1 | |
| 29 | R909156493 | NOZZLE | 2 | |
| 36 | R909153572 | SCREW PLUG | 1 | |
| 41 | R909084302 | SEAL RINGD | 2 |
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) | 28 | 28 |
| Control device | Hydraulic control, direct operated | DG |
| DA control valve | Without DA control valve | 1 |
| Direction of rotation | Viewed on drive shaft clockwise | R |
| 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, same side right suction port S bottom | 10 |
| Boost pump | Integrated boost pump with and without through drive | F |
| Through drive | Flange SAE J744 Hub for splined shaft, 82-2 (A) 5/8 in 9T 16/32DP | 01 |
| 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 |