Quick answer:
The John Deere 7800 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 7800 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 7800 Battery FAQ
| Replacement battery recommendation | The best replacement battery for a John Deere 7800 tractor is typically the John Deere StrongBox battery, known for its durability and performance. However, some users have successfully used Group 31 truck batteries as alternatives, but ensure they meet the necessary specifications |
|---|---|
| Battery voltage | The official John Deere 7800 tractor uses a 12-volt battery system. SlideShare |
| Battery group size | The official battery group size for the John Deere 7800 tractor is Group 31 |
| Battery location | The battery on the John Deere 7800 tractor is located underneath the right access step. You may need to remove the access step to reach it |
| Bad battery symptoms | Common symptoms of a bad battery in a John Deere 7800 tractor include the tractor not starting, slow cranking, and voltage indicators showing low battery voltage. Additionally, issues like loose or corroded connections and sulfated batteries can also contribute to battery problems |
Official information note
Mistakes do happen. Please check official deere.com website for official information.







