Unit · AXIAL-PISTON PUMP
A4VG28HWDL2/32R-NZC10F025S-SR902117126
Axial piston pump Bosch Rexroth series A4VG, type code A4VG28HWDL2/32R-NZC10F025S-S, material number R902117126. 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: 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, fixed setting (2). 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 for single pump DIN 5480 (Z). 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, 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
- R902117126
- Type code
- A4VG28HWDL2/32R-NZC10F025S-S
- Group
- A4VG 28
- Edition
- 06/2020
This parts list has no drawing.
| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| 1 | R902199516 | ROTARY GROUP Assembly parts list →L | 1 | |
| 2 | R902039529 | CONTROL Assembly parts list →L | 1 | |
| 3 | R909613283 | CONNECTION PLATE Assembly parts list →L | 1 | |
| 4 | R909608399 | INTERNAL GEAR PUMP Assembly parts list →L | 1 | |
| 5 | R902096397 | CONTROL MODULE Assembly parts list →L | 1 | |
| 7 | R909416388 | CONTROL CARTRIDGE Assembly parts list →L | 1 | |
| 10 | R902007055 | HOUSING | 1 | |
| 13 | R902114380 | PIVOT PIN | 1 | |
| 20 | R909151694 | SCREW PLUGD | 1 | |
| 21 | R909151979 | SCREW PLUGD | 1 | |
| 22 | R909151692 | SCREW PLUGD | 5 | |
| 23 | R909153815 | SCREW PLUGD | 2 | |
| 27 | R909831318 | DOUBLE BREAK-OFF PLUG | 1 | |
| 31 | R913016373 | SLOTTED SPRING PIN | 2 | |
| 32 | R909153364 | SCREW PLUGD | 1 | |
| 46 | R909445436 | ECCENTRIC SCREW | 1 | |
| 47 | R909153271 | SEALING NUTD | 1 | |
| 49 | R909156497 | NOZZLE | 1 | |
| 54 | R902601866 | NOZZLE | 1 | |
| 86 | R909415314 | DOUBLE BREAK-OFF PLUG | 1 | |
| 98 | R902095525 | 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) | 28 | 28 |
| 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, fixed setting | 2 |
| 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 for single pump DIN 5480 | Z |
| 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, 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 |