Quick answer:
The John Deere 8RX 440 tractor hydraulic pump flow is 84 GPM, and hydraulic system pressure is 2,958 psi.
Hydraulic pump flow84 GPM
Implement flow84 GPM
Total hydraulic flow84 GPM
Hydraulic pressure2,958 psi
Hydraulic system typeclosed-center
Hydraulic fluid capacity50 gal
John Deere 8RX 440 Hydraulic Flow Details
| Hydraulic pump flow | 84 GPM |
|---|---|
| Implement hydraulic flow | 84 GPM |
| Total hydraulic flow | 84 GPM |
| Hydraulic system pressure | 2,958 psi |
| Hydraulic system type | closed-center |
| Hydraulic fluid capacity | 50 gal |
Hydraulic Flow Comparison Chart
Hydraulic pump flow comparison
Implement hydraulic flow comparison
Total hydraulic flow comparison
Hydraulic pressure comparison
Hydraulic fluid capacity comparison
John Deere 8RX 440 Extra Hydraulic Notes
| Hydraulic flow note | With about 84 GPM implement flow, the John Deere 8RX 440 sits in the very high-flow hydraulic range and is best suited to large hydraulic implements and high-demand farm equipment where SCV flow matters. |
|---|---|
| Hydraulic pressure note | The John Deere 8RX 440’s hydraulic pressure is listed at 2,958 psi, which is strong tractor hydraulic pressure; flow still decides attachment speed while pressure affects force. |
| Rear remotes / SCV note |
|
| Hydraulic system type note | The John Deere 8RX 440 uses a closed-center hydraulic setup, so compatibility depends on both the attachment and valve configuration. |
| Hydraulic fluid capacity note | Hydraulic fluid capacity on the John Deere 8RX 440 is 50 gal, but the correct oil type and fill/check procedure should still come from the official manual. |
Official information note
Mistakes do happen. Hydraulic flow, pump flow, implement flow, pressure, rear remote / SCV setup and fluid capacity can change by year, market, transmission, pump option, loader package and hydraulic package. Please check the operator manual and official deere.com website for official information.





