Unit · AXIAL-PISTON PUMP
A4VG56HWDL3L/32L-NZC02F025S-SR902033871
Axial piston pump Bosch Rexroth series A4VG, type code A4VG56HWDL3L/32L-NZC02F025S-S, material number R902033871. 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: proportional control hydraulic mechanical servo (HW). Pressure cut-off: pressure cut-off (D). Neutral position switch: neutral position switch (only for HW control) (L). DA control valve: DA control valve, mechanically adjustable, with position lever direction of actuation, counter-clockwise (3L). 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 DIN 5480 (Z). 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, 101-2 (B) 7/8 in 13T 16/32DP (02). High-pressure relief valve Setting range ∆pHD: high-pressure relief valve 250 … 420 bar direct operated, fixed setting with bypass (5).
- Number
- R902033871
- Type code
- A4VG56HWDL3L/32L-NZC02F025S-S
- Group
- A4VG 56
- Edition
- 12/2019
| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| 1 | R909607704 | ROTARY GROUP Assembly parts list →L | 1 | |
| R902008485 | CONTROL Assembly parts list →L | 1 | ||
| R909609347 | CONNECTION PLATE Assembly parts list →L | 1 | ||
| R909606389 | INTERNAL GEAR PUMP Assembly parts list →L | 1 | ||
| R902018597 | CONTROL MODULE Assembly parts list →L | 1 | ||
| R909606415 | CONTROL CARTRIDGE Assembly parts list →L | 1 | ||
| R902029526 | HOUSING | 1 | ||
| 13 | R902132713 | PIVOT PIN | 1 | |
| R909151694 | SCREW PLUGD | 1 | ||
| R909151979 | SCREW PLUGD | 2 | ||
| R909151692 | SCREW PLUGD | 4 | ||
| R909153815 | SCREW PLUGD | 4 | ||
| — | DOUBLE BREAK-OFF PLUG | 2 | ||
| R909156493 | NOZZLE | 2 | ||
| 31 | R913016373 | SLOTTED SPRING PIN | 2 | |
| R909153364 | SCREW PLUGD | 1 | ||
| R909435856 | ECCENTRIC SCREW | 1 | ||
| R909153271 | SEALING NUTD | 1 | ||
| R909156497 | NOZZLE | 1 | ||
| 98 | R902095505 | 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 |
| Control device | Proportional control hydraulic mechanical servo | HW |
| Pressure cut-off | Pressure cut-off | D |
| Neutral position switch | Neutral position switch (only for HW control) | L |
| DA control valve | DA control valve, mechanically adjustable, with position lever direction of actuation, counter-clockwise | 3L |
| 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 DIN 5480 | Z |
| 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, 101-2 (B) 7/8 in 13T 16/32DP | 02 |
| 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 |