Unit · AXIAL-PISTON PUMP
A4VG280EP4DP0T0/40MLNE4A32FA2S2AS00-YR902239642
Axial piston pump Bosch Rexroth series A4VG, type code A4VG280EP4DP0T0/40MLNE4A32FA2S2AS00-Y, material number R902239642. Nominal size: NG 280. Axial piston unit: swashplate design, variable, nominal pressure 450 bar, maximum pressure 500 bar (A4V). Operating mode: pump, closed circuit (G). Control device: proportional control, electric with manual override and spring return U = 24 V (EP4). Pressure cut-off: pressure cut-off, with bypass Fixed setting, hydraulic, mechanical (D). Connector for solenoids: DEUTSCH molded connector, 2-pin – without suppressor diode (P). Swivel angle sensor: without swivel angle sensor (0). Additional function: stroking chamber pressure port X X (T). DA control valve (only for NG110 and 125): without DA control valve (0). Configuration of port and fastening threads: metric ports according to ISO 6149 with O-ring seal, metric fastening thread according to DIN (M). Direction of rotation: viewed on drive shaft counter-clockwise (L). Sealing material: NBR (nitrile rubber), shaft seal in FKM (fluoroelastomer) (N). Mounting flange: SAE J744 165-4 (E4). Drive shaft: splined shaft DIN 5480 W55×2×26×9g (A3). Working port: SAE working port A and B, on right side (45° right) (2).
- Number
- R902239642
- Type code
- A4VG280EP4DP0T0/40MLNE4A32FA2S2AS00-Y
- Group
- A4VG 280
- Edition
- 01/2020
This parts list has no drawing.
| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| 1 | R902252281 | ROTARY GROUP Assembly parts list →L | 1 | |
| 2 | R902205091 | CONTROL Assembly parts list →L | 1 | |
| 3 | R902205090 | PUMP HOUSING Assembly parts list →L | 1 | |
| 4 | R902205066 | INTERNAL GEAR PUMP Assembly parts list →L | 1 | |
| 5 | R902139340 | CONTROL MODULE Assembly parts list →L | 1 | |
| 6 | R902199969 | BEARING FLANGE Assembly parts list →L | 1 |
Parameters from the type code
| Item | Meaning | Code |
|---|---|---|
| Axial piston unit | Swashplate design, variable, nominal pressure 450 bar, maximum pressure 500 bar | A4V |
| Operating mode | Pump, closed circuit | G |
| Size (NG) | 280 | 280 |
| Control device | Proportional control, electric with manual override and spring return U = 24 V | EP4 |
| Pressure cut-off | Pressure cut-off, with bypass Fixed setting, hydraulic, mechanical | D |
| Connector for solenoids | DEUTSCH molded connector, 2-pin – without suppressor diode | P |
| Swivel angle sensor | Without swivel angle sensor | 0 |
| Additional function | Stroking chamber pressure port X X | T |
| DA control valve (only for NG110 and 125) | Without DA control valve | 0 |
| Configuration of port and fastening threads | Metric ports according to ISO 6149 with O-ring seal, metric fastening thread according to DIN | M |
| Direction of rotation | Viewed on drive shaft counter-clockwise | L |
| Sealing material | NBR (nitrile rubber), shaft seal in FKM (fluoroelastomer) | N |
| Mounting flange | SAE J744 165-4 | E4 |
| Drive shaft | Splined shaft DIN 5480 W55×2×26×9g | A3 |
| Working port | SAE working port A and B, on right side (45° right) | 2 |
| Boost pump and rotary group configuration | Standard rotary group boost pump integrated, standard internal gear pump | F |
| Through drive | 82-2 (A) A2 5/8 in 9T 16/32DP S2 | A2S2 |
| High-pressure relief valve | High-pressure relief valve, direct operated, fixed setting, with low-pressure relief valve, fixed setting | A |
| Filtration boost circuit/external boost pressure supply | Filtration in the boost pump suction line | S |
| Pressure sensor | Without pressure sensor | 0 |
| Other sensors | Without sensor | 0 |
| Standard / special version | Standard version with installation variants, e.g. T ports against standard open or closed | Y |