Unit · AXIAL-PISTON PUMP
A4VG56HDD2/31L-PAC02F075S-SR909447729
Axial piston pump Bosch Rexroth series A4VG, type code A4VG56HDD2/31L-PAC02F075S-S, material number R909447729. 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). DA control valve: DA control valve, fixed setting (2). Direction of rotation: viewed on drive shaft counter-clockwise (L). Drive shaft: splined shaft DIN 5480 for combination pump – 1st pump (A). Mounting flange: SAE J744 2-hole (C). Working port (port plate): SAE working port A and B, top and bottom suction port S bottom (02). Boost pump: integrated boost pump with and without through drive (F). Through drive: flange SAE J744 Hub for splined shaft, 127-2 (C) 1 1/4 in 14T 12/24DP (07). 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: filtration in the boost pump suction line (S). Standard/special version: special version (-S).
- Number
- R909447729
- Type code
- A4VG56HDD2/31L-PAC02F075S-S
- Group
- A4VG 56
- Edition
- 05/2020
This parts list has no drawing.
| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| 1 | R909434763 | ROTARY GROUP Assembly parts list →L | 1 | |
| 2 | R909437357 | CONTROL Assembly parts list →L | 1 | |
| 3 | R909446918 | CONNECTION PLATE Assembly parts list →L | 1 | |
| 4 | R909442172 | INTERNAL GEAR PUMP Assembly parts list →L | 1 | |
| 5 | R909429167 | CONTROL MODULE Assembly parts list →L | 1 | |
| 7 | R909414722 | CONTROL CARTRIDGE Assembly parts list →L | 1 | |
| 10 | R909440944 | HOUSING | 1 | |
| 11 | R909430641 | POITIONING PIN | 1 | |
| 20 | R909151694 | SCREW PLUGD | 1 | |
| 22 | R909151692 | SCREW PLUGD | 3 | |
| 23 | R909153815 | SCREW PLUGD | 4 | |
| 27 | R909831318 | DOUBLE BREAK-OFF PLUG | 2 | |
| 28 | R909156493 | NOZZLE | 2 | |
| 46 | R909435856 | ECCENTRIC SCREW | 1 | |
| 47 | R909153271 | SEALING NUTD | 1 | |
| 49 | R909156497 | NOZZLE | 1 | |
| 58 | R909442094 | HYDRAULIC LINE Assembly parts list →L | 1 | |
| 66 | R909424849 | THREADED REDUCING STUD | 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 |
| DA control valve | DA control valve, fixed setting | 2 |
| Direction of rotation | Viewed on drive shaft counter-clockwise | L |
| Drive shaft | Splined shaft DIN 5480 for combination pump – 1st pump | A |
| Mounting flange | SAE J744 2-hole | C |
| Working port (port plate) | SAE working port A and B, top and bottom suction port S bottom | 02 |
| Boost pump | Integrated boost pump with and without through drive | F |
| Through drive | Flange SAE J744 Hub for splined shaft, 127-2 (C) 1 1/4 in 14T 12/24DP | 07 |
| 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 | Filtration in the boost pump suction line | S |
| Standard/special version | Special version | -S |