The John Deere LT166 battery size is listed as 12 V.
Voltage12 V
John Deere LT166 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 LT166 Battery FAQ
Replacement battery recommendation
The best replacement battery for the John Deere LT166 tractor is the AJC-U1-300-130360, which is a sealed lead acid (AGM) battery designed for reliable performance. It is maintenance-free and arrives fully charged, ready for installation
Battery voltage
The official battery voltage for the John Deere LT166 tractor is 12 volts
Battery group size
The official battery group size for the John Deere LT166 tractor is 12V 35 AH. This battery is compatible with the LT166 model and is essential for its operation
Battery CCA
The official John Deere LT166 tractor battery has a recommended Cold Cranking Amps (CCA) rating of 160
Battery location
The battery on the John Deere LT166 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 LT166 tractor, first, disconnect the negative (-) cable, then the positive (+) cable. Next, remove the old battery and install the new one by connecting the positive (+) cable first, followed by the negative (-) cable. Wikipedia
Bad battery symptoms
Common symptoms of a failing battery in a John Deere LT166 tractor include hard starting or no response when trying to start, clicking sounds, and visible corrosion on battery terminals. Additionally, if the battery is unable to hold a charge or shows low voltage (11.5V or less), it may need to be replaced
Official information note
Mistakes do happen. Please check official deere.com website for official information.
