Unit · AXIAL-PISTON PUMP
A4VG56EZ2D1/31L-PSC02K073ER909447699
Axial piston pump Bosch Rexroth series A4VG, type code A4VG56EZ2D1/31L-PSC02K073E, material number R909447699. 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). Control device: two-point control, electric U = 24 V (EZ2). 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-hole (C). Working port (port plate): SAE working port A and B, top and bottom suction port S bottom (02). Boost pump: without integrated boost pump with through drive (K). 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 without bypass direct operated, fixed setting (3). Filtration boost circuit/external boost pressure supply: external boost pressure supply (version without integrated boost pump – N00, K...) (E).
- Number
- R909447699
- Type code
- A4VG56EZ2D1/31L-PSC02K073E
- Group
- A4VG 56
- Edition
- 05/2020
This parts list has no drawing.
| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| 1 | R909434185 | ROTARY GROUP Assembly parts list →L | 1 | |
| 2 | R909437353 | CONTROL Assembly parts list →L | 1 | |
| 3 | R909441499 | CONNECTION PLATE Assembly parts list →L | 1 | |
| 4 | R909447513 | BELL HOUSING Assembly parts list →L | 1 | |
| 5 | R909434573 | DIRECTIONAL-CONTROL VALVE Assembly parts list →L | 1 | |
| 10 | R909443107 | HOUSING | 1 | |
| 11 | R909430641 | POITIONING PIN | 1 | |
| 14 | R909405732 | POITIONING PIN | 1 | |
| 20 | R909151694 | SCREW PLUGD | 1 | |
| 21 | R909151979 | SCREW PLUGD | 2 | |
| 22 | R909151692 | SCREW PLUGD | 3 | |
| 23 | R909153815 | SCREW PLUGD | 3 | |
| 24 | R909083228 | SCREW PLUG | 1 | |
| 25 | R909086731 | O-RINGD | 1 | |
| 26 | R909153572 | SCREW PLUG | 1 | |
| 27 | R909831318 | DOUBLE BREAK-OFF PLUG | 2 | |
| 28 | R909156493 | NOZZLE | 2 | |
| 39 | R909153861 | SCREW PLUGD | 1 | |
| 46 | R909154981 | SETSCREW | 1 | |
| 47 | R909153271 | SEALING NUTD | 1 | |
| 49 | R909156497 | NOZZLE | 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 |
| Control device | Two-point control, electric U = 24 V | EZ2 |
| 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-hole | C |
| Working port (port plate) | SAE working port A and B, top and bottom suction port S bottom | 02 |
| Boost pump | Without integrated boost pump with through drive | K |
| 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 without bypass direct operated, fixed setting | 3 |
| Filtration boost circuit/external boost pressure supply | External boost pressure supply (version without integrated boost pump – N00, K...) | E |