The John Deere Q-85 battery size is listed as Group 24F, 12 V, 500 CCA, 10.25 × 6.81 × 8.88 in.
Battery sizeGroup 24F
Voltage12 V
CCA500 CCA
Case size10.25 × 6.81 × 8.88 in
John Deere Q-85 Battery Specs
Battery size / group
Group 24F
Battery voltage
12 V
Battery CCA
500 CCA
Battery dimensions
10.25 × 6.81 × 8.88 in
Battery Spec Comparisons Chart
CCA comparison
This model
500 CCA
Average
851.24 CCA
Low
150 CCA
High
1400 CCA
Voltage comparison
This model
12 V
Average
11.94 V
Low
6 V
High
12 V
Case length comparison
This model
10.25 in
Average
11.57 in
Low
9.38 in
High
13 in
John Deere Q-85 Battery FAQ
Replacement battery recommendation
The best replacement battery for the John Deere Q-85 tractor is typically a sealed lead acid (AGM) battery, which is designed for reliable performance and maintenance-free operation. It’s important to verify the specific battery model that fits your tractor before purchasing
Battery voltage
The official battery voltage for the John Deere Q-85 tractor is 12 volts
Battery group size
The official battery group size for the John Deere Q-85 tractor is BCI Group Size 24F, which is commonly used in compact and utility tractors. This battery provides high power for small-to-medium diesel engines and fits perfectly in the tractor’s compartment
Battery CCA
The recommended Cold Cranking Amps (CCA) for the John Deere Q-85 tractor battery is minimum 500 CCA. This ensures reliable starting power, especially in cold weather conditions
Battery location
The battery on the John Deere Q-85 tractor is located in front of the radiator
Bad battery symptoms
Common symptoms of a failing battery in a John Deere Q-85 tractor include hard starting or no response when trying to start, and corrosion on the battery terminals or connections. If the battery is only holding 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.
