The John Deere 6M 185 battery size is listed as Group 31, 12 V, 13 × 6.81 × 9.44 in.
Battery sizeGroup 31
Voltage12 V
Case size13 × 6.81 × 9.44 in
John Deere 6M 185 Battery Specs
Battery size / group
Group 31
Battery voltage
12 V
Battery dimensions
13 × 6.81 × 9.44 in
Battery Spec Comparisons Chart
Voltage comparison
This model
12 V
Average
11.94 V
Low
6 V
High
12 V
Case length comparison
This model
13 in
Average
11.57 in
Low
9.38 in
High
13 in
John Deere 6M 185 Battery FAQ
Replacement battery recommendation
John Deere StrongBox Premium Batteries are recommended for the 6M 185 tractor, as they are built and tested for heavy-duty conditions and meet the machine’s specifications
Battery voltage
The official battery voltage for the John Deere 6M 185 tractor is 12 volts
Battery group size
The official battery group size for the John Deere 6M 185 tractor is Group 31
Battery CCA
The recommended official John Deere 6M 185 tractor battery has a Cold Cranking Ampere (CCA) of 1150
Battery location
The battery on the John Deere 6M 185 tractor is located underneath the right access step. You may need to open the flap and possibly remove the access step to access it
Battery replacement steps
To replace the battery on a John Deere 6M 185 tractor, locate the battery underneath the right access step, then open the flap and, if necessary, remove the access step by taking out the attaching screws. If the tractor has step lighting, ensure to disconnect the light connector before removing the step
Bad battery symptoms
John Deere 6M 185 tractors with battery issues often show a voltage indicator displayed when the battery is low, slow or no cranking, and a chirping noise from the side console
Official information note
Mistakes do happen. Please check official deere.com website for official information.
