The John Deere 3120 battery size is listed as Group 22NF, 12 V, 9.44 × 5.5 × 8.88 in.
Battery sizeGroup 22NF
Voltage12 V
Case size9.44 × 5.5 × 8.88 in
John Deere 3120 Battery Specs
Battery size / group
Group 22NF
Battery voltage
12 V
Battery dimensions
9.44 × 5.5 × 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
9.44 in
Average
11.13 in
Low
7.75 in
High
13 in
John Deere 3120 Battery FAQ
Replacement battery recommendation
The best replacement battery for a John Deere 3120 tractor is a Group 22NF battery, specifically the part number TY25877. This battery is designed to fit and perform well in the 3120 model
Battery voltage
The John Deere 3120 tractor uses a 12-volt battery
Battery group size
The official battery group size for the John Deere 3120 tractor is Group 22NF. This information is essential for ensuring the correct fit and performance of the battery
Battery CCA
The recommended battery for the John Deere 3120 tractor has a Cold Cranking Amps (CCA) rating of 650. This ensures reliable starting power in cold conditions
Battery location
The battery on the John Deere 3120 tractor is located underneath the right access step. You may need to open the flap and possibly remove the access step to reach it
Bad battery symptoms
Common symptoms of a failing battery in a John Deere 3120 tractor include hard starting or no response when trying to start, clicking sounds indicating insufficient power, and rapid battery drain. Additionally, visible corrosion on battery terminals can also prevent proper electrical flow
Official information note
Mistakes do happen. Please check official deere.com website for official information.
