The John Deere 2940 battery size is listed as Group 31, 12 V, 650 CCA, 13 × 6.81 × 9.44 in.
Battery sizeGroup 31
Voltage12 V
CCA650 CCA
Case size13 × 6.81 × 9.44 in
John Deere 2940 Battery Specs
Battery size / group
Group 31
Battery voltage
12 V
Battery CCA
650 CCA
Battery dimensions
13 × 6.81 × 9.44 in
Battery Spec Comparisons Chart
CCA comparison
This model
650 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 2940 Battery FAQ
Replacement battery recommendation
The best replacement battery for a John Deere 2940 tractor is the StrongBox battery, which is specifically designed for John Deere equipment. However, you may also consider other brands like Napa or Exide, which can offer competitive pricing and performance
Battery voltage
The official battery voltage for the John Deere 2940 tractor is 12 volts
Battery group size
The official battery group size for the John Deere 2940 tractor is Group 31. This size is commonly used for larger tractors and provides the necessary power for reliable operation
Battery CCA
The recommended Cold Cranking Amps (CCA) for the John Deere 2940 tractor battery is minimum 650 CCA. This ensures reliable starting power, especially in cold weather conditions
Battery location
The battery on the John Deere 2940 tractor is located in the battery box on the right side of the tractor. To access it, you need to loosen the thumb screws on both sides of the battery box and slide the cover off
Bad battery symptoms
Common symptoms of a failing battery in a John Deere 2940 tractor include hard starting, clicking sounds when trying to start, and rapid battery drain. If the battery voltage is low (11.5V or less), it likely needs to be replaced
Official information note
Mistakes do happen. Please check official deere.com website for official information.
