The John Deere 9420 battery size is listed as Group 31, 12 V, 925 CCA, 13 × 6.81 × 9.44 in.
Battery sizeGroup 31
Voltage12 V
CCA925 CCA
Case size13 × 6.81 × 9.44 in
John Deere 9420 Battery Specs
Battery size / group
Group 31
Battery voltage
12 V
Battery CCA
925 CCA
Battery dimensions
13 × 6.81 × 9.44 in
Battery Spec Comparisons Chart
CCA comparison
This model
925 CCA
Average
688.22 CCA
Low
150 CCA
High
1850 CCA
Voltage comparison
This model
12 V
Average
11.66 V
Low
6 V
High
24 V
Case length comparison
This model
13 in
Average
11.13 in
Low
7.75 in
High
13 in
John Deere 9420 Battery FAQ
Battery voltage
The official battery voltage for the John Deere 9420 tractor is 12 volts
Battery group size
The official battery group size for the John Deere 9420 tractor is Group 31. This battery type is commonly used in heavy-duty applications
Battery CCA
The recommended cold cranking amps (CCA) for the John Deere 9420 tractor battery is 925 CCA. This rating ensures reliable starting power, especially in cold weather conditions
Battery location
The battery on the John Deere 9420 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 9420 tractor, lift the battery box cover and then follow the specific service instructions in the General Maintenance and Inspection section of the manual. Ensure to disconnect any necessary components before removing the battery
Bad battery symptoms
Common symptoms of a bad battery in a John Deere 9420 tractor include hard starting or no response when trying to start, clicking sounds, and rapid battery drain. Additionally, corrosion on battery terminals can prevent proper electrical flow, leading to starting issues
Official information note
Mistakes do happen. Please check official deere.com website for official information.
