The John Deere 8R 370 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 8R 370 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
11.94 V
Low
6 V
High
12 V
Case length comparison
This model
13 in
Average
11.57 in
Low
9.38 in
High
13 in
John Deere 8R 370 Battery FAQ
Replacement battery recommendation
The StrongBox 800CCA 105Ah battery is listed as a recommended replacement for the John Deere 8R 370 tractor
Battery voltage
The official battery voltage for the John Deere 8R 370 tractor is 12 volts
Battery group size
The official battery group size for the John Deere 8R 370 tractor is BCI Group Size 31, which is designed for large diesel engines that require significant cranking power
Battery location
The battery on the John Deere 8R 370 tractor is located in the battery box on the right side of the tractor. To access it, you may need to remove the battery box cover and disconnect the cables
Battery replacement steps
The battery on a John Deere 8R 370 tractor is located underneath the right access step; open the flap and remove the step by taking out the attaching screws, and if equipped with step lighting, first disconnect the light connector before removing the step
Bad battery symptoms
Common symptoms of a bad battery in a John Deere 8R 370 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 also indicate that the battery needs to be replaced
Official information note
Mistakes do happen. Please check official deere.com website for official information.
