The John Deere 720 battery size is listed as Group 31, 12 V, 1000 CCA, 13 × 6.81 × 9.44 in.
Battery sizeGroup 31
Voltage12 V
CCA1000 CCA
Case size13 × 6.81 × 9.44 in
John Deere 720 Battery Specs
Battery size / group
Group 31
Battery voltage
12 V
Battery CCA
1000 CCA
Battery dimensions
13 × 6.81 × 9.44 in
Battery Spec Comparisons Chart
CCA comparison
This model
1000 CCA
Average
839.52 CCA
Low
150 CCA
High
1850 CCA
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 720 Battery FAQ
Replacement battery recommendation
For a John Deere 720 tractor, the best replacement battery is typically two matched 12-volt batteries with high cold cranking amps (CCA) to ensure sufficient power for starting the diesel engine. It’s recommended to check the battery box size to find the largest batteries that can fit
Battery voltage
The John Deere 720 tractor uses a 6V or 12V battery system, depending on the model. The diesel version has a 24V electric-start system
Battery group size
The official battery group size for the John Deere 720 tractor is Group 31 for the diesel electric start version. This size is recommended for its high cranking amps and compatibility with the tractor’s electrical system
Battery CCA
The recommended battery for the John Deere 720 tractor is a heavy-duty starting battery with at least 1000 CCA (Cold Cranking Amps). This type of battery is designed to deliver the high amperage needed for starting the tractor
Battery location
The battery on the John Deere 720 tractor is located underneath the right access step. You may need to remove the access step to access the battery
Bad battery symptoms
The most common John Deere 720 tractor battery symptoms include a voltage indicator displayed when battery voltage is low, hard starting or no response when trying to start, rapid battery drain or inability to hold a charge, and corrosion on battery terminals or connections
Official information note
Mistakes do happen. Please check official deere.com website for official information.
