The John Deere 4420 battery size is listed as Group 3ET, 12 V.
Battery sizeGroup 3ET
Voltage12 V
John Deere 4420 Battery Specs
Battery size / group
Group 3ET
Battery voltage
12 V
Battery Spec Comparisons Chart
Voltage comparison
This model
12 V
Average
11.54 V
Low
6 V
High
24 V
John Deere 4420 Battery FAQ
Replacement battery recommendation
The best replacement battery for a John Deere 4420 tractor is typically a 12-volt battery with at least 850 cold cranking amps (CCA). It’s recommended to consider options like the John Deere StrongBox batteries or Group 31 truck batteries for reliable performance
Battery voltage
The official battery voltage for the John Deere 4420 tractor is 12 volts
Battery group size
The official battery group size for the John Deere 4420 combine is Group 3ET. This size is commonly used for this model and is important for ensuring proper fit and performance
Battery CCA
The recommended official battery for the John Deere 4420 combine has a Cold Cranking Amps (CCA) rating of 1000 or more if you are considering replacing the two batteries with one
Battery location
The battery on the John Deere 4420 tractor is located underneath the right access step. You may need to remove the access step to reach the battery
Bad battery symptoms
Common symptoms of battery issues in a John Deere 4420 tractor include the tractor not starting, slow cranking, and voltage indicators flashing. Additionally, you may experience problems like excessive electrical load or loose connections that can affect battery performance
Official information note
Mistakes do happen. Please check official deere.com website for official information.
