The John Deere X739 battery size is listed as 12 V.
Voltage12 V
John Deere X739 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 X739 Battery FAQ
Replacement battery recommendation
The best replacement battery for the John Deere X739 tractor is the AJC-U1-300-200770, which is a sealed lead acid (AGM) battery designed specifically for this model. It is maintenance-free and arrives fully charged and ready to install
Battery voltage
The John Deere X739 tractor battery voltage is 12 volts
Battery group size
The official battery group size for the John Deere X739 tractor is U1
Battery CCA
The recommended official battery for the John Deere X739 has a Cold Cranking Amps (CCA) rating of 300. This is typically provided by the AJC-U1-300-200770 replacement battery
Battery location
The battery on the John Deere X739 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 X739 tractor, first, locate the battery underneath the right access step and remove the access step by taking out the attaching screws. Then, disconnect the battery terminals, remove the old battery, and install the new one, ensuring to reconnect the terminals securely
Bad battery symptoms
Common symptoms of a failing battery in a John Deere X739 tractor include hard starting or no response when trying to start, rapid battery drain, and visible corrosion on battery terminals. Additionally, if the battery holds less than 11.5V, it likely needs replacement
Official information note
Mistakes do happen. Please check official deere.com website for official information.
