The John Deere X166 battery size is listed as 12 V.
Voltage12 V
John Deere X166 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 X166 Battery FAQ
Replacement battery recommendation
The best replacement battery for the John Deere X166 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 X166 tractor is 12 volts
Battery group size
The official battery group size for the John Deere X166 tractor is U1, which is a small, lightweight battery designed for lawn and garden machines
Battery CCA
The recommended official John Deere X166 tractor battery has a Cold Cranking Amps (CCA) rating of 300
Battery location
The battery on the John Deere X166 tractor is located under the seat. You may need to remove the seat to access it
Bad battery symptoms
Common symptoms of a bad battery in a John Deere X166 tractor include the engine not starting, dim lights, and slow cranking when attempting to start the engine. Additionally, you may notice corroded battery terminals or the battery not holding a charge
Official information note
Mistakes do happen. Please check official deere.com website for official information.
