The John Deere Z997R tractor hydraulic pump flow is 8.2 GPM, and hydraulic system pressure is 3,000 psi.
Hydraulic pump flow8.2 GPM
Implement flow7.3 GPM
Total hydraulic flow18.2 GPM
Hydraulic pressure3,000 psi
Hydraulic system typeclosed-center
Hydraulic fluid capacity12.8 qt (3.2 gal)
John Deere Z997R Hydraulic Flow Details
Hydraulic pump flow
8.2 GPM
Implement hydraulic flow
7.3 GPM
Total hydraulic flow
18.2 GPM
Hydraulic system pressure
3,000 psi
Hydraulic system type
closed-center
Hydraulic fluid capacity
12.8 qt (3.2 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
7.3 GPM
Average
11.1 GPM
Low
0.9 GPM
High
78 GPM
Total hydraulic flow comparison
This model
18.2 GPM
Average
13 GPM
Low
0.9 GPM
High
78 GPM
Hydraulic pressure comparison
This model
3,000 psi
Average
1,813.3 psi
Low
300 psi
High
3,000 psi
Hydraulic fluid capacity comparison
This model
3.2 gal
Average
3.6 gal
Low
0.5 gal
High
60 gal
John Deere Z997R Extra Hydraulic Notes
Hydraulic flow note
The John Deere Z997R separates implement flow from total hydraulic flow: 7.3 GPM is the more useful number for rear remotes and hydraulic implements, while 18.2 GPM includes the wider system total.
Hydraulic pressure note
At 3,000 psi, the John Deere Z997R’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 (7.3 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 Z997R’s hydraulic system type is closed-center, which is built for higher-pressure hydraulic control than a basic open-center setup.
Hydraulic fluid capacity note
The John Deere Z997R’s hydraulic fluid capacity is listed as 12.8 qt (3.2 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.
