Quick answer:
The John Deere Z820A battery size is listed as Group 6, 12 V, 300 CCA.
Battery sizeGroup 6
Voltage12 V
CCA300 CCA
John Deere Z820A Battery Specs
| Battery size / group | Group 6 |
|---|---|
| Battery voltage | 12 V |
| Battery CCA | 300 CCA |
Battery Spec Comparisons Chart
CCA comparison
Voltage comparison
John Deere Z820A Battery FAQ
| Replacement battery recommendation | John Deere offers the StrongBox line as its premium heavy-duty replacement battery for equipment like the Z820A, designed for durability and tested alongside Deere machines |
|---|---|
| Battery voltage | The John Deere Z820A tractor battery voltage is 12 volts |
| Battery group size | The official battery group size for the John Deere A tractor is BCI Group Size 6. This size is specifically designed to fit the tractor’s requirements for power and dimensions |
| Battery CCA | The recommended cold cranking amps (CCA) for the John Deere Z820A tractor battery is 300 CCA |
| Battery location | The battery on the John Deere Z820A tractor is located underneath the right access step. To access it, you may need to open the flap and possibly remove the access step |
| Bad battery symptoms | Common symptoms of a failing battery in a John Deere Z820A tractor include slow or no cranking when starting, rapid battery drain or inability to hold a charge, and corrosion on the battery terminals or connections |
Official information note
Mistakes do happen. Please check official deere.com website for official information.







