Quick answer:
The John Deere 8R 440 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 440 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
Case length comparison
John Deere 8R 440 Battery FAQ
| Replacement battery recommendation | The best replacement battery for the John Deere 8R 440 tractor is the John Deere StrongBox battery, which is designed to meet demanding specifications and provide superior performance. These batteries are built for durability and reliability, making them suitable for heavy-duty use |
|---|---|
| Battery voltage | The official battery voltage for the John Deere 8R 440 tractor is 12 volts |
| Battery group size | The official John Deere 8R 440 tractor battery group size is Group 31 |
| Battery CCA | The recommended battery for the John Deere 8R 440 tractor has a Cold Cranking Amps (CCA) rating of 950. This ensures reliable starting power, especially in cold weather conditions |
| Battery location | The battery is located on the right side of the John Deere 8R 440 tractor |
Official information note
Mistakes do happen. Please check official deere.com website for official information.







