The John Deere 8RX 540 battery size is listed as Group 31, 12 V, 0 CCA, 13 × 6.81 × 9.44 in.
Battery sizeGroup 31
Voltage12 V
CCA0 CCA
Case size13 × 6.81 × 9.44 in
John Deere 8RX 540 Battery Specs
Battery size / group
Group 31
Battery voltage
12 V
Battery CCA
0 CCA
Battery dimensions
13 × 6.81 × 9.44 in
Battery Spec Comparisons Chart
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 8RX 540 Battery FAQ
Replacement battery recommendation
John Deere offers Performance Batteries and heavy-duty StrongBox batteries that fit most brands of vehicles and equipment, including the 8RX 540 tractor
Battery voltage
The official John Deere 8R 540 tractor battery voltage is 12 volts
Battery group size
The official John Deere 8RX 540 tractor uses a battery group size of 31
Battery CCA
The recommended official battery for the John Deere 8RX 540 tractor has a Cold Cranking Amps (CCA) rating of 1, 000 CCA. This specification ensures reliable starting power in cold conditions
Battery location
The battery on the John Deere 8RX 540 tractor is located next to the door, making it easily accessible for maintenance
Bad battery symptoms
Common symptoms of a bad battery in a John Deere 8RX 540 tractor include hard starting or no response when trying to start, a clicking sound indicating insufficient power to the starter, and visible corrosion on battery terminals. Additionally, if the battery holds less than 11.5 volts, it likely needs replacement
Official information note
Mistakes do happen. Please check official deere.com website for official information.
