Quick answer:
The John Deere 4520 tractor hydraulic pump flow is 16 GPM, and hydraulic system pressure is 2,250 psi.
Hydraulic pump flow16 GPM
Implement flow42 GPM
Total hydraulic flow17.1 GPM
Hydraulic pressure2,250 psi
Hydraulic system typeopen-center
Hydraulic fluid capacity10.3 gal
John Deere 4520 Hydraulic Flow Details
| Hydraulic pump flow | 16 GPM |
|---|---|
| Implement hydraulic flow | 42 GPM |
| Total hydraulic flow | 17.1 GPM |
| Hydraulic system pressure | 2,250 psi |
| Hydraulic system type | open-center |
| Hydraulic fluid capacity | 10.3 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 4520 Extra Hydraulic Notes
| Hydraulic flow note | The John Deere 4520’s implement flow figure is about 42 GPM, so hydraulic attachment choice should be based on flow demand, not horsepower alone. |
|---|---|
| Hydraulic pressure note | Hydraulic pressure on the John Deere 4520 is 2,250 psi, but hydraulic performance depends on pressure and flow together. |
| Rear remotes / SCV note |
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| Hydraulic system type note | The John Deere 4520’s hydraulic system type is open-center, which is simple and common on many compact and utility tractors. |
| Hydraulic fluid capacity note | The John Deere 4520’s hydraulic fluid capacity is listed as 10.3 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.







