Quick answer:
The John Deere 8320R battery size is listed as Group 31, 12 V, 0 CCA, 13 × 6.81 × 9.44 in.
Battery sizeGroup 31
Voltage12 V
CCA0 CCA
Case size13 × 6.81 × 9.44 in
John Deere 8320R Battery Specs
| Battery size / group | Group 31 |
|---|---|
| Battery voltage | 12 V |
| Battery CCA | 0 CCA |
| Battery dimensions | 13 × 6.81 × 9.44 in |
Battery Spec Comparisons Chart
Voltage comparison
Case length comparison
John Deere 8320R Battery FAQ
| Replacement battery recommendation | John Deere offers the StrongBox line of heavy-duty batteries for demanding equipment like the 8320R tractor |
|---|---|
| Battery voltage | The official battery voltage for the John Deere 8320R tractor is 12 volts. It uses two batteries with a cold cranking amps (CCA) rating of 925 each |
| Battery group size | The official battery group size for the John Deere 8320R tractor is BCI Group Size 31. This size is designed to provide the necessary power for the tractor’s engine and electrical systems |
| Battery CCA | The recommended official John Deere 8320R tractor battery has a Cold Cranking Amps (CCA) rating of 1, 000 CCA. For specific battery options, it’s best to consult your local John Deere dealer |
| Battery location | The battery on the John Deere 8320R tractor is located on the right side of the tractor under the battery box cover |
| Bad battery symptoms | Common symptoms of a bad battery in a John Deere 8320R tractor include hard starting or no response when trying to start, rapid battery drain, and visible corrosion on battery terminals. If the battery voltage is below 12 volts, it likely needs to be replaced |
Official information note
Mistakes do happen. Please check official deere.com website for official information.







