Quick answer:
The John Deere D battery size is listed as Group 1, 6 V.
Battery sizeGroup 1
Voltage6 V
John Deere D Battery Specs
| Battery size / group | Group 1 |
|---|---|
| Battery voltage | 6 V |
Battery Spec Comparisons Chart
Voltage comparison
John Deere D Battery FAQ
| Battery voltage | The official battery voltage for the John Deere Model A tractor is 6 volts. However, some owners have modified their tractors to use two 6-volt batteries in series, resulting in a 12-volt system |
|---|---|
| Battery group size | The official battery group size for the John Deere D tractor is Group 1, which typically measures 9 inches long, 7 inches wide, and 9 inches high. This size is suitable for the tractor’s original specifications |
| Battery CCA | The recommended official battery for the John Deere B tractor typically has a Cold Cranking Amps (CCA) rating of 1150. It’s important to ensure that the battery matches the specifications for optimal performance |
| Battery location | The battery on the John Deere D tractor is located under the right access step. You may need to open a flap or remove the access step to reach it |
| Battery replacement steps | To replace the battery on a John Deere D tractor, first disconnect the negative cable, then the positive cable, and remove the battery hold-down bracket. After installing the new battery, connect the positive cable first, followed by the negative cable. Wikipedia |
| Bad battery symptoms | A weak or failing battery in a John Deere D-series tractor often shows hard starting, a clicking sound when turning the key, or no response at all, and corrosion on the battery terminals can also block proper electrical flow |
Official information note
Mistakes do happen. Please check official deere.com website for official information.







