The John Deere X390 battery size is listed as 12 V.
Voltage12 V
John Deere X390 Battery Specs
Battery voltage
12 V
Battery Spec Comparisons Chart
Voltage comparison
This model
12 V
Average
11.66 V
Low
6 V
High
24 V
John Deere X390 Battery FAQ
Replacement battery recommendation
The best replacement battery for the John Deere X390 is the AJC-U1-300-200746, which is a sealed lead acid (AGM) battery designed for reliable performance. It arrives fully charged and is maintenance-free, meaning you won’t need to add acid or water
Battery voltage
The John Deere X390 tractor uses a 12-volt battery
Battery group size
The official battery group size for the John Deere X390 tractor is Group U1. This battery type is commonly used in various lawn tractors and provides reliable power for the equipment
Battery CCA
The recommended official battery for the John Deere X390 tractor has a Cold Cranking Amps (CCA) rating of 300. This ensures reliable starting power for the tractor
Battery location
The battery on the John Deere X390 tractor is located underneath the right access step. You may need to open the flap and possibly remove the access step to access it
Battery replacement steps
To replace the battery on a John Deere X390 tractor, first, access the battery by opening the flap and removing the access step if necessary. 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 bad battery in a John Deere X390 tractor include the battery not charging, corroded battery terminals, and the starter not working or failing to turn the engine. If you experience these issues, it may indicate a dead cell in the battery or dirty battery cables
Official information note
Mistakes do happen. Please check official deere.com website for official information.
