Quick answer:
The John Deere 1635 tractor hydraulic pump flow is 10.8 GPM, and hydraulic system pressure is 2,050 psi.
Hydraulic pump flow10.8 GPM
Implement flow10.8 GPM
Total hydraulic flow10.8 GPM
Hydraulic pressure2,050 psi
Hydraulic system typeopen-center
Hydraulic fluid capacity5.5 qt (1.4 gal)
John Deere 1635 Hydraulic Flow Details
| Hydraulic pump flow | 10.8 GPM |
|---|---|
| Implement hydraulic flow | 10.8 GPM |
| Total hydraulic flow | 10.8 GPM |
| Hydraulic system pressure | 2,050 psi |
| Hydraulic system type | open-center |
| Hydraulic fluid capacity | 5.5 qt (1.4 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 1635 Extra Hydraulic Notes
| Hydraulic flow note | The John Deere 1635 should be matched to implements that fit its 10.8 GPM hydraulic-flow range. |
|---|---|
| Hydraulic pressure note | At 2,050 psi, the John Deere 1635’s hydraulic system pressure matters most for lift force, cylinder force and loader response. |
| Rear remotes / SCV note |
|
| Hydraulic system type note | The John Deere 1635’s hydraulic system type is open-center, which is simple and common on many compact and utility tractors. |
| Hydraulic fluid capacity note | For maintenance, the John Deere 1635’s hydraulic fluid capacity matters more than flow rate because it affects oil changes, filter service and refill quantity. |
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.







