Quick answer:
The John Deere 2020 battery size is listed as Group 24T, 12 V.
Battery sizeGroup 24T
Voltage12 V
John Deere 2020 Battery Specs
| Battery size / group | Group 24T |
|---|---|
| Battery voltage | 12 V |
Battery Spec Comparisons Chart
Voltage comparison
John Deere 2020 Battery FAQ
| Replacement battery recommendation | The best replacement battery for the John Deere 2020 tractor is the AJC-U1-300-188895, which is a sealed lead acid (AGM) battery designed for reliable power and maintenance-free operation. It delivers 300 cold cranking amps and is ready to install without the need for adding acid or water |
|---|---|
| Battery voltage | The John Deere 2020 tractor uses a 12-volt battery system |
| Battery group size | The official battery group size for the John Deere 2020 tractor is Group 24T. This battery is typically used for the diesel version of the tractor, which requires two batteries |
| Battery CCA | The recommended battery for the John Deere 2020 tractor typically has a Cold Cranking Amps (CCA) rating of 800. For specific battery options, it’s best to consult your local John Deere dealer or their official website |
| Battery location | The battery on the John Deere 2020 tractor is located underneath the right access step. You may need to open the flap and possibly remove the access step to reach it |
| Battery replacement steps | To replace the battery on a John Deere 2020 tractor, locate the battery underneath the right access step, open the flap, and if necessary, remove the access step by taking out the attaching screws. Make sure to disconnect any light connectors if your model has step lighting before removing the step |
| Bad battery symptoms | Common symptoms of a bad battery in a John Deere 2020 tractor include hard starting or no response when trying to start, and corroded or loose battery connections. If the battery voltage is low or the tractor shows signs of rapid battery drain, it may need to be replaced |
Official information note
Mistakes do happen. Please check official deere.com website for official information.







