The John Deere 9120 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 9120 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 9120 Battery FAQ
Replacement battery recommendation
The best replacement battery for a John Deere 9120 tractor is the John Deere StrongBox battery, which is designed to meet the demanding specifications of John Deere equipment. It is built for durability and reliability, making it a suitable choice for your tractor
Battery voltage
The official battery voltage for the John Deere 9120 tractor is 12 volts
Battery group size
The official battery group size for the John Deere 9120 tractor is BCI Group Size 24F, which is commonly used in compact and utility tractors. This size provides high power for small-to-medium diesel engines and fits perfectly in the tractor’s compartment
Battery CCA
The John Deere 9120 tractor requires a battery with a Cold Cranking Amps (CCA) rating of 925
Battery location
The battery on the John Deere 9120 tractor is located underneath the right access step. You may need to open the flap and possibly remove the access step to access the battery
Battery replacement steps
To replace the battery on a John Deere 9120 tractor, locate the battery underneath the right access step, open the flap, and if necessary, remove the access step by taking out the attaching screws. Make sure to disconnect any light connectors if the tractor has step lighting before removing the step
Bad battery symptoms
Common symptoms of a failing battery in a John Deere 9120 tractor include hard starting or no response when trying to start, and corrosion on the battery terminals or connections. If the battery voltage is low, it may need to be recharged or replaced
Official information note
Mistakes do happen. Please check official deere.com website for official information.
