Unit · AXIAL-PISTON PUMP
A28VLO280C5H31B0K/11CRVE4T41K00000-SR902545990
Axial piston pump Bosch Rexroth series A28VLO, type code A28VLO280C5H31B0K/11CRVE4T41K00000-S, material number R902545990. Axial piston unit 280: variable swashplate design, nominal pressure 350bar, maximum pressure 420 bar ● Unpainted (A28V). Operating mode 280: pump, open circuit With charge pump ● (LO). 2nd pump control device: identical to 1st pump (1). Depressurized basic position and external control pressure supply: basic position maximum swivel angle (Vg max), with external control pressure supply (integrated shuttle valve, standard for negative stroke control) (B). Connector for solenoids: without connector (without solenoid, only for hydraulic control) (0). Swivel angle sensor: with electric swivel angle sensor Power supply 8 V – 32V DC (K). Direction of rotation: viewed on drive shaft Clockwise (R). Sealing material: FKM (fluorocarbon rubber) (V). Mounting flange: SAE J744 165-4 (E4). Speed sensor 280: without sensor (0). Standard/special version 280: special version (S).
- Number
- R902545990
- Type code
- A28VLO280C5H31B0K/11CRVE4T41K00000-S
- Group
- A28VLO 280
- Edition
- 06/2020
This parts list has no drawing.
| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| 1 | R902546334 | HOUSING Assembly parts list →L | 1 | |
| 2 | R902548384 | CONTROL Assembly parts list →L | 1 | |
| 3 | R902548413 | CONTROL Assembly parts list →L | 1 | |
| 4 | R902487152 | CONTROL VALVE Assembly parts list →L | 2 | |
| 5 | R902555554 | RETURN GUIDE Assembly parts list →L | 1 | |
| 6 | R902555553 | RETURN GUIDE Assembly parts list →L | 1 | |
| 7 | R902483414 | SHUTTLE VALVE Assembly parts list →L | 2 | |
| 8 | R902547723 | BEARING FLANGE Assembly parts list →L | 1 | |
| 9 | R902547726 | BEARING FLANGE Assembly parts list →L | 1 | |
| 10 | R902557264 | ROTARY GROUP Assembly parts list →L | 1 | |
| 11 | R902557266 | ROTARY GROUP Assembly parts list →L | 1 | |
| 12 | R902484464 | SWIVEL ANGLE SENSOR Assembly parts list →L | 2 | |
| 13 | R902557528 | IMPELLER, RIGHT-HAND ROTATION | 1 | |
| 14 | R909151259 | RETAINING RING | 1 | |
| 15 | R913003159 | ROTARY SHAFT LIP SEAL | 1 | |
| 18 | R902482882 | SPLINED COUPLING | 1 | |
| 19 | R902487998 | DRIVE SHAFT | 1 | |
| 20 | R902487999 | DRIVE SHAFT | 1 | |
| 21 | R902400588 | FLANGE COVER | 2 | |
| 23 | R913038225 | FLANGE COVER | 1 |
Parameters from the type code
| Item | Meaning | Code |
|---|---|---|
| Axial piston unit 280 | Variable swashplate design, nominal pressure 350bar, maximum pressure 420 bar ● Unpainted | A28V |
| Operating mode 280 | Pump, open circuit With charge pump ● | LO |
| 2nd pump control device | Identical to 1st pump | 1 |
| Depressurized basic position and external control pressure supply | Basic position maximum swivel angle (Vg max), with external control pressure supply (integrated shuttle valve, standard for negative stroke control) | B |
| Connector for solenoids | Without connector (without solenoid, only for hydraulic control) | 0 |
| Swivel angle sensor | With electric swivel angle sensor Power supply 8 V – 32V DC | K |
| Direction of rotation | Viewed on drive shaft Clockwise | R |
| Sealing material | FKM (fluorocarbon rubber) | V |
| Mounting flange | SAE J744 165-4 | E4 |
| Speed sensor 280 | Without sensor | 0 |
| Standard/special version 280 | Special version | S |