Unit · BASE UNIT
GA4VSO71M/10R-FZB25KB3R902489562
Base unit Bosch Rexroth series A4VSO, type code GA4VSO71M/10R-FZB25KB3, material number R902489562. Nominal size: NG 71. Axial piston unit: swashplate design, variable, nominal pressure 350 bar, maximum pressure 400 bar (A4VS). Operating mode: pump, open circuit (O). Directions of rotation: viewed on drive shaft Clockwise (R). Drive shafts: splined shaft DIN 5480 (Z). Mounting flange: based on ISO 3019-2 (metric) 4-hole (B). Working port: SAE flange ports, B and S with 90° lateral 2nd pressure port B metric fastening thread offset opposite B, plugged with flange plate on delivery (25).
- Number
- R902489562
- Type code
- GA4VSO71M/10R-FZB25KB3
- Group
- A4VSO 71
- Edition
- 06/2020

| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| R902489487 | ROTARY GROUP Assembly parts list →L | 1 | ||
| R902489191 | CONNECTION PLATE | 1 | ||
| R910987983 | SPLINED COUPLING | 1 | ||
| 8 | R910962643 | BLANK FLANGE Assembly parts list →L | 1 | |
| R910798363 | INDICATING DEVICE Assembly parts list →L | 1 | ||
| R910798355 | STUD BOLT Assembly parts list →L | 1 | ||
| R910402303 | SOCKET HEAD CAP SCREW | 4 | ||
| R910942134 | R-RING | 1 | ||
| R909153365 | SCREW PLUGD | 3 | ||
| R909151979 | SCREW PLUGD | 2 | ||
| R910765325 | O-RINGD | 1 | ||
| R909831318 | DOUBLE BREAK-OFF PLUG | 2 | ||
| R910786365 | O-RING | 1 | ||
| R910582808 | THROTTLE SCREW | 1 | ||
| R910104906 | HEXAGON SCREW | 2 | ||
| R910925530 | NOZZLE | 1 | ||
| R902650190 | WASHER | 2 | ||
| R910967812 | RETAINING RING | 1 | ||
| R902431505 | REFERENCE PLATE | 1 |
Parameters from the type code
| Item | Meaning | Code |
|---|---|---|
| Axial piston unit | Swashplate design, variable, nominal pressure 350 bar, maximum pressure 400 bar | A4VS |
| Operating mode | Pump, open circuit | O |
| Size (NG) | 71 | 71 |
| Series | Series 1, index 0 | 10 |
| Directions of rotation | Viewed on drive shaft Clockwise | R |
| Drive shafts | Splined shaft DIN 5480 | Z |
| Mounting flange | Based on ISO 3019-2 (metric) 4-hole | B |
| Working port | SAE flange ports, B and S with 90° lateral 2nd pressure port B metric fastening thread offset opposite B, plugged with flange plate on delivery | 25 |