Quick answer:
The John Deere 3520 battery size is listed as 12 V, 500 CCA.
Voltage12 V
CCA500 CCA
John Deere 3520 Battery Specs
| Battery voltage | 12 V |
|---|---|
| Battery CCA | 500 CCA |
Battery Spec Comparisons Chart
CCA comparison
Voltage comparison
John Deere 3520 Battery FAQ
| Battery CCA | The John Deere 3520 utility tractor uses a 12V battery with approximately 500 cold cranking amps (CCA) as the recommended specification |
|---|---|
| Battery location | The battery on the John Deere 3520 tractor is located under the operator’s seat |
| Battery replacement steps | To replace the battery on a John Deere 3520 tractor, first, locate the battery under the right access step and remove the access step by unscrewing it. Then, disconnect the battery terminals, remove the old battery, and install the new one, ensuring to reconnect the terminals properly |
| Bad battery symptoms | Common symptoms of a failing battery in a John Deere 3520 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 11.5V or less, it likely needs to be replaced |
Official information note
Mistakes do happen. Please check official deere.com website for official information.







