The John Deere 990 battery size is listed as Group 24F, 12 V, 10.25 × 6.81 × 8.88 in.
Battery sizeGroup 24F
Voltage12 V
Case size10.25 × 6.81 × 8.88 in
John Deere 990 Battery Specs
Battery size / group
Group 24F
Battery voltage
12 V
Battery dimensions
10.25 × 6.81 × 8.88 in
Battery Spec Comparisons Chart
Voltage comparison
This model
12 V
Average
11.66 V
Low
6 V
High
24 V
Case length comparison
This model
10.25 in
Average
11.13 in
Low
7.75 in
High
13 in
John Deere 990 Battery FAQ
Replacement battery recommendation
The Optima red top battery is commonly recommended as a replacement for the John Deere 990 tractor due to its reliability and performance. It is important to ensure the battery fits properly, as some users have noted needing adjustments for a secure fit
Battery voltage
The John Deere 990 tractor battery voltage is 12 volts
Battery group size
The official battery group size for the John Deere 990 tractor is BCI Group Size 24F. This size is suitable for compact and utility tractors, providing high power for small-to-medium diesel engines
Battery CCA
The John Deere 990 tractor has a recommended battery with a Cold Cranking Amps (CCA) rating of 650. This ensures reliable starting and performance in various conditions
Battery location
The battery on the John Deere 990 tractor is located under the seat. You may need to remove the seat to access it properly
Battery replacement steps
The battery on a John Deere 990 tractor is located underneath the right access step; open the flap and remove the step by taking out the attaching screws, and if equipped, first disconnect the step lighting connector before removing the step
Official information note
Mistakes do happen. Please check official deere.com website for official information.
