The John Deere 40 battery size is listed as Group 24F, 12 V, 10.25 × 6.81 × 8.88 in.
Battery sizeGroup 24F
Voltage12 V
Case size10.25 × 6.81 × 8.88 in
John Deere 40 Battery Specs
Battery size / group
Group 24F
Battery voltage
12 V
Battery dimensions
10.25 × 6.81 × 8.88 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
10.25 in
Average
11.13 in
Low
7.75 in
High
13 in
John Deere 40 Battery FAQ
Replacement battery recommendation
The best replacement battery for a John Deere 40 tractor is typically the John Deere StrongBox battery, which is designed to meet the demanding specifications of John Deere equipment. It is known for its durability and reliability in various conditions
Battery voltage
John Deere 40 tractors use a 12-volt battery system
Battery group size
The official battery group size for the John Deere 40 tractor is BCI Group Size 24F. This size is suitable for compact and utility tractors, providing high power for small-to-medium diesel engines
Battery CCA
The recommended official John Deere battery for the 40 tractor has a Cold Cranking Amps (CCA) rating of 1150. For specific models, it’s best to consult your John Deere dealer for the exact battery specifications
Battery location
The battery on the John Deere 40 tractor is located underneath the right access step. You may need to open the flap and possibly remove the access step to reach it
Bad battery symptoms
Common symptoms of a failing battery in a John Deere 40 tractor include hard starting or no response when trying to start, clicking sounds, and corrosion on battery terminals. Additionally, if the battery is unable to hold a charge or shows low voltage readings, it may need to be replaced
Official information note
Mistakes do happen. Please check official deere.com website for official information.
