The John Deere 8100T battery size is listed as Group 31, 12 V, 13 × 6.81 × 9.44 in.
Battery sizeGroup 31
Voltage12 V
Case size13 × 6.81 × 9.44 in
John Deere 8100T Battery Specs
Battery size / group
Group 31
Battery voltage
12 V
Battery dimensions
13 × 6.81 × 9.44 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
13 in
Average
11.13 in
Low
7.75 in
High
13 in
John Deere 8100T Battery FAQ
Battery voltage
The John Deere 8100T tractor uses a 12-volt battery system
Battery group size
The official battery group size for the John Deere 8100T tractor is BCI Group Size 31. This size is suitable for the tractor’s electrical requirements and ensures proper fit and performance
Battery CCA
The recommended official John Deere 8100T tractor battery has a Cold Cranking Amps (CCA) rating of 925
Battery location
The battery on the John Deere 8100T tractor is located on the left side beside the steps. To access it, you need to pull outward on the cover and lift it off
Bad battery symptoms
Common symptoms of a bad battery in a John Deere 8100T tractor include hard starting or no response when trying to start, and corrosion on the battery terminals or connections. Additionally, if the battery is unable to hold a charge or shows low voltage, it may need to be replaced
Official information note
Mistakes do happen. Please check official deere.com website for official information.
