Unit · AXIAL-PISTON PUMP
A4VG40HWDL1/31R-NAC02F041SR909448927
Axial piston pump Bosch Rexroth series A4VG, type code A4VG40HWDL1/31R-NAC02F041S, material number R909448927. Nominal size: NG 40. 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: without DA control valve (1). 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 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, 101-2 (B) 1 in 15T 16/32DP (04). High-pressure relief valve Setting range ∆pHD: high-pressure relief valve, pilot operated 100 … 420 bar with bypass (1).
- Number
- R909448927
- Type code
- A4VG40HWDL1/31R-NAC02F041S
- Group
- A4VG 40
- Edition
- 02/2020
This parts list has no drawing.
| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| 1 | R909446908 | ROTARY GROUP Assembly parts list →L | 1 | |
| 2 | R909437420 | CONTROL Assembly parts list →L | 1 | |
| 3 | R909438930 | CONNECTION PLATE Assembly parts list →L | 1 | |
| 4 | R909441842 | INTERNAL GEAR PUMP Assembly parts list →L | 1 | |
| 5 | R909607230 | CONTROL MODULE Assembly parts list →L | 1 | |
| 10 | R909440183 | HOUSING | 1 | |
| 11 | R909430641 | POITIONING PIN | 1 | |
| 14 | R909405732 | POITIONING PIN | 1 | |
| 20 | R909151694 | SCREW PLUGD | 1 | |
| 21 | R909151979 | SCREW PLUGD | 1 | |
| 22 | R909151692 | SCREW PLUGD | 4 | |
| 23 | R909153815 | SCREW PLUGD | 4 | |
| 24 | R909084400 | SCREW PLUG | 1 | |
| 25 | R909083761 | O-RINGD | 1 | |
| 26 | R909153572 | SCREW PLUG | 1 | |
| 27 | R909831318 | DOUBLE BREAK-OFF PLUG | 2 | |
| 28 | R909156493 | NOZZLE | 2 | |
| 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) | 40 | 40 |
| 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 | Without DA control valve | 1 |
| 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 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, 101-2 (B) 1 in 15T 16/32DP | 04 |
| High-pressure relief valve Setting range ∆pHD | High-pressure relief valve, pilot operated 100 … 420 bar with bypass | 1 |
| Filtration boost circuit/external boost pressure supply | Filtration in the boost pump suction line | S |