The John Deere STX38 battery size is listed as 12 V.
Voltage12 V
John Deere STX38 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 STX38 Battery FAQ
Replacement battery recommendation
The best replacement battery for the John Deere STX38 tractor is the AJC-U1-300-130381, 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. eBay
Battery voltage
The official battery voltage for the John Deere STX38 tractor is 12 volts
Battery group size
The official replacement battery for the John Deere STX38 is a 12V 35AH with NB (Nut & Bolt) terminals, not a group size; John Deere lists it as a 12V 35AH AGM battery for the STX38
Battery CCA
The recommended official John Deere STX38 tractor battery has a Cold Cranking Amps (CCA) rating of 300. This ensures reliable starting power for your lawn mower or tractor. eBay
Battery location
The battery on the John Deere STX38 tractor is located underneath the right access step
Battery replacement steps
To replace the battery on a John Deere STX38 tractor, first, re-use your existing cabling and hardware, then remove the old battery and install the new AJC-U1-300-130381 battery, ensuring it is fully charged and ready for use. Make sure to verify that the replacement battery matches your unit before purchase
Bad battery symptoms
Common symptoms of a failing battery in a John Deere STX38 tractor include hard starting, clicking sounds when trying to start, and rapid battery drain. Additionally, if the battery voltage is consistently below 11.5V, it likely needs replacement. Houzz
Official information note
Mistakes do happen. Please check official deere.com website for official information.
