Unit · AXIAL-PISTON PUMP
A4VG28DA1D4/32R-NZC10F015SPR902197502
Axial piston pump Bosch Rexroth series A4VG, type code A4VG28DA1D4/32R-NZC10F015SP, material number R902197502. 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: automatic control, speed related U = 12 V (DA1). Pressure cut-off: pressure cut-off (D). 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, 82-2 (A) 5/8 in 9T 16/32DP (01). 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). Connector for solenoids: DEUTSCH connector without suppressor diode molded, 2-pin (P).
- Number
- R902197502
- Type code
- A4VG28DA1D4/32R-NZC10F015SP
- Group
- A4VG 28
- Edition
- 06/2020

| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| R909609048 | ROTARY GROUP Assembly parts list →L | 1 | ||
| R902039540 | CONTROL Assembly parts list →L | 1 | ||
| R909613283 | CONNECTION PLATE Assembly parts list →L | 1 | ||
| R909608397 | INTERNAL GEAR PUMP Assembly parts list →L | 1 | ||
| R902113615 | INCHING VALVE Assembly parts list →L | 1 | ||
| R909613028 | CONTROL CARTRIDGE Assembly parts list →L | 1 | ||
| R902007055 | HOUSING | 1 | ||
| R902114380 | PIVOT PIN | 1 | ||
| R909151694 | SCREW PLUGD | 1 | ||
| 21 | R909151979 | SCREW PLUGD | 1 | |
| R909151692 | SCREW PLUGD | 5 | ||
| R909153815 | SCREW PLUGD | 2 | ||
| R909831318 | DOUBLE BREAK-OFF PLUG | 2 | ||
| R913016373 | SLOTTED SPRING PIN | 2 | ||
| R909153364 | SCREW PLUGD | 1 | ||
| R909445436 | ECCENTRIC SCREW | 1 | ||
| R909153271 | SEALING NUTD | 1 | ||
| R909156497 | NOZZLE | 1 | ||
| R909156492 | NOZZLE | 1 | ||
| R909438806 | CONTROL ELEMENT Assembly parts list →L | 1 | ||
| R909415314 | DOUBLE BREAK-OFF PLUG | 1 | ||
| 98 | R902095523 | 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 | Automatic control, speed related U = 12 V | DA1 |
| Pressure cut-off | Pressure cut-off | D |
| 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, 82-2 (A) 5/8 in 9T 16/32DP | 01 |
| 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 |
| Connector for solenoids | DEUTSCH connector without suppressor diode molded, 2-pin | P |