The John Deere 6630 battery size is listed as Group 31, 12 V, 13 × 6.81 × 9.44 in.
Battery sizeGroup 31
Voltage12 V
Case size13 × 6.81 × 9.44 in
John Deere 6630 Battery Specs
Battery size / group
Group 31
Battery voltage
12 V
Battery dimensions
13 × 6.81 × 9.44 in
Battery Spec Comparisons Chart
Voltage comparison
This model
12 V
Average
11.54 V
Low
6 V
High
24 V
Case length comparison
This model
13 in
Average
11.3 in
Low
9.38 in
High
13 in
John Deere 6630 Battery FAQ
Replacement battery recommendation
The best replacement battery for a John Deere 6630 tractor is the John Deere StrongBox battery, known for its durability and performance. Alternatively, some users have successfully used Group 31 truck batteries, which may require minor modifications
Battery voltage
The official battery voltage for the John Deere 6630 tractor is 12 volts
Battery group size
The official battery group size for the John Deere 6630 tractor is Group 31
Battery CCA
The recommended official John Deere 6630 tractor battery has a Cold Cranking Amps (CCA) rating of 800
Battery location
The battery on the John Deere 6630 tractor is located underneath the right access step
Battery replacement steps
To replace the battery on a John Deere 6630 tractor, locate the battery underneath the right access step, open the flap, and if necessary, remove the access step by taking out the attaching screws. For models with step lighting, ensure to disconnect the light connector before removing the step
Bad battery symptoms
John Deere 6630 tractor battery issues often show as hard starting, clicking when turning the key, or no response when trying to start the tractor. Low battery voltage (around 11.5V or less) or visible corrosion on terminals can also indicate a failing battery
Official information note
Mistakes do happen. Please check official deere.com website for official information.
