Quick answer:
The John Deere 6405 tractor hydraulic pump flow is 17.5 GPM, and hydraulic system pressure is 2,500 psi.
Hydraulic pump flow17.5 GPM
Implement flow25.5 GPM
Total hydraulic flow17.5 GPM
Hydraulic pressure2,500 psi
Hydraulic system typeopen-center
Hydraulic fluid capacity14.3 gal
John Deere 6405 Hydraulic Flow Details
| Hydraulic pump flow | 17.5 GPM |
|---|---|
| Implement hydraulic flow | 25.5 GPM |
| Total hydraulic flow | 17.5 GPM |
| Hydraulic system pressure | 2,500 psi |
| Hydraulic system type | open-center |
| Hydraulic fluid capacity | 14.3 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 6405 Extra Hydraulic Notes
| Hydraulic flow note | The John Deere 6405 should be matched to implements that fit its 25.5 GPM hydraulic-flow range. |
|---|---|
| Hydraulic pressure note | The John Deere 6405’s hydraulic pressure is listed at 2,500 psi, which is normal utility-tractor pressure; flow still decides attachment speed while pressure affects force. |
| Rear remotes / SCV note |
|
| Hydraulic system type note | System type matters on the John Deere 6405: open-center affects how hydraulic flow and pressure are delivered to valves and implements. |
| Hydraulic fluid capacity note | The John Deere 6405’s hydraulic fluid capacity is listed as 14.3 gal; check the operator manual before servicing because capacity can change with transmission, hydraulic options and market. |
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.







