The John Deere D120 battery size is listed as 12 V.
Voltage12 V
John Deere D120 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 D120 Battery FAQ
Replacement battery recommendation
The best replacement battery for a John Deere D120 tractor is typically the AGM Battery, which is maintenance-free and designed for long-term storage life. For specific model compatibility, it’s recommended to check the specifications or consult with a dealer
Battery voltage
The official battery voltage for the John Deere D120 tractor is 12 volts
Battery group size
The official battery group size for the John Deere D120 tractor is U1
Battery CCA
The recommended official battery for the John Deere D120 tractor is a 12-volt battery with a Cold Cranking Amperage (CCA) of 230
Battery location
The battery on the John Deere D120 tractor is located underneath the right access step. You may need to open the flap and possibly remove the access step to access it
Bad battery symptoms
Common symptoms of a bad battery in a John Deere D120 tractor include the engine not starting, the starter not working, and the battery not charging. Additionally, you may notice corroded battery terminals or a dead cell in the battery
Official information note
Mistakes do happen. Please check official deere.com website for official information.
