The John Deere 2040 battery size is listed as Group 24, 12 V, 550 CCA, 10.25 × 6.81 × 8.88 in.
Battery sizeGroup 24
Voltage12 V
CCA550 CCA
Case size10.25 × 6.81 × 8.88 in
John Deere 2040 Battery Specs
Battery size / group
Group 24
Battery voltage
12 V
Battery CCA
550 CCA
Battery dimensions
10.25 × 6.81 × 8.88 in
Battery Spec Comparisons Chart
CCA comparison
This model
550 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
10.25 in
Average
11.3 in
Low
9.38 in
High
13 in
John Deere 2040 Battery FAQ
Replacement battery recommendation
The best replacement battery for a John Deere 2040 tractor is typically a Group 31 battery with 950-1000 CCA for single battery setups, or two Group 24 batteries with 550 CCA each if using the original dual battery configuration. eBay
Battery voltage
The official battery voltage for the John Deere 2040 tractor is 12 volts
Battery group size
The official battery group size for the John Deere 2040 tractor is BCI Group 24, which typically has a rating of 550 CCA @ 0°F. Some configurations may also accommodate a Group 31 battery for higher cranking power
Battery CCA
The recommended official battery for the John Deere 2040 tractor is typically two BCI Group 24 batteries with 550 CCA each, or a single Group 31 battery with 950-1000 CCA for warmer climates
Battery location
The battery on a John Deere 2040 tractor is located under the right access step, which requires opening a flap and removing the step if necessary. eBay
Battery replacement steps
To replace the battery on a John Deere 2040 tractor, first, disconnect the negative terminal followed by the positive terminal. Then, remove the old battery and install the new one, connecting the positive terminal first and then the negative terminal. Wikipedia
Bad battery symptoms
Common symptoms of a failing battery in a John Deere 2040 tractor include hard starting or no response when trying to start, rapid battery drain, and visible corrosion on battery terminals. If the battery voltage is consistently low, it likely needs to be replaced
Official information note
Mistakes do happen. Please check official deere.com website for official information.
