The John Deere Z840A tractor hydraulic pump flow is 8.2 GPM, and hydraulic system pressure is 2,500 psi.
Hydraulic pump flow8.2 GPM
Implement flow30 GPM
Total hydraulic flow30 GPM
Hydraulic pressure2,500 psi
Hydraulic system typeclosed-center
Hydraulic fluid capacity2.9 qt (0.7 gal)
John Deere Z840A Hydraulic Flow Details
Hydraulic pump flow
8.2 GPM
Implement hydraulic flow
30 GPM
Total hydraulic flow
30 GPM
Hydraulic system pressure
2,500 psi
Hydraulic system type
closed-center
Hydraulic fluid capacity
2.9 qt (0.7 gal)
Hydraulic Flow Comparison Chart
Hydraulic pump flow comparison
This model
8.2 GPM
Average
13.4 GPM
Low
0.9 GPM
High
85 GPM
Implement hydraulic flow comparison
This model
30 GPM
Average
11.1 GPM
Low
0.9 GPM
High
78 GPM
Total hydraulic flow comparison
This model
30 GPM
Average
13 GPM
Low
0.9 GPM
High
78 GPM
Hydraulic pressure comparison
This model
2,500 psi
Average
1,813.3 psi
Low
300 psi
High
3,000 psi
Hydraulic fluid capacity comparison
This model
0.7 gal
Average
3.6 gal
Low
0.5 gal
High
60 gal
John Deere Z840A Extra Hydraulic Notes
Hydraulic flow note
The John Deere Z840A should be matched to implements that fit its 30 GPM hydraulic-flow range.
Hydraulic pressure note
At 2,500 psi, the John Deere Z840A’s hydraulic system pressure matters most for lift force, cylinder force and loader response.
Rear remotes / SCV note
Rear remotes / SCVs depend on the tractor’s hydraulic package and options.
For hydraulic implements, match the implement to the available hydraulic flow (30 GPM), not just the number of remotes.
Check the operator manual or hydraulic package because SCV count can change by year, market and trim package.
Hydraulic system type note
The John Deere Z840A 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 Z840A is 2.9 qt (0.7 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.
