The John Deere 2120 battery size is listed as Group 31, 12 V, 1150 CCA, 13 × 6.81 × 9.44 in.
Battery sizeGroup 31
Voltage12 V
CCA1150 CCA
Case size13 × 6.81 × 9.44 in
John Deere 2120 Battery Specs
Battery size / group
Group 31
Battery voltage
12 V
Battery CCA
1150 CCA
Battery dimensions
13 × 6.81 × 9.44 in
Battery Spec Comparisons Chart
CCA comparison
This model
1150 CCA
Average
688.22 CCA
Low
150 CCA
High
1850 CCA
Voltage comparison
This model
12 V
Average
11.66 V
Low
6 V
High
24 V
Case length comparison
This model
13 in
Average
11.13 in
Low
7.75 in
High
13 in
John Deere 2120 Battery FAQ
Replacement battery recommendation
The best replacement battery for a John Deere 2120 tractor is the John Deere Strong Box battery, known for its durability and longevity. It is specifically designed to fit John Deere equipment and provides reliable performance
Battery voltage
The official battery voltage for the John Deere 2120 tractor is 12 volts
Battery group size
The official battery group size for the John Deere 2120 tractor is Group 31
Battery CCA
The recommended official John Deere 2120 tractor battery has a Cold Cranking Amps (CCA) rating of 1150 CCA. For some models, a higher capacity battery with a CCA of 1400 may also be required
Battery location
The battery on the John Deere 2120 tractor is typically located near the engine or sometimes underneath the seat. For specific details, it’s best to consult the tractor’s repair manual or service guide. SlideShare
Bad battery symptoms
Common symptoms of a failing battery in a John Deere 2120 tractor include hard starting or no response when trying to start, clicking sounds, and rapid battery drain. Additionally, visible corrosion on battery terminals can also indicate issues
Official information note
Mistakes do happen. Please check official deere.com website for official information.
