The John Deere 8870 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 8870 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
11.54 V
Low
6 V
High
24 V
Case length comparison
This model
13 in
Average
11.3 in
Low
9.38 in
High
13 in
John Deere 8870 Battery FAQ
Replacement battery recommendation
The best replacement battery for a John Deere 8870 tractor is typically the John Deere StrongBox battery, which is designed to meet the demanding specifications of John Deere equipment. These batteries are known for their durability and reliability in harsh conditions
Battery voltage
The John Deere 8870 tractor uses a 12-volt battery system. It typically has two batteries with a cold cranking amp (CCA) rating of 925
Battery group size
The official battery group size for the John Deere 8870 tractor is BCI Group Size 31. This size is suitable for the tractor’s power requirements and ensures a proper fit
Battery CCA
The recommended official battery for the John Deere 8870 tractor has a Cold Cranking Amperage (CCA) of 925
Battery location
The battery on the John Deere 8870 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 8870 tractor, first disconnect the negative (-) cable, then the positive (+) cable, and remove the battery hold down. After cleaning the battery compartment, install the new battery by connecting the positive cable first, followed by the negative cable
Bad battery symptoms
Common symptoms of a failing battery in a John Deere 8870 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 low or the tractor shows signs of electrical issues, it may need to be serviced or replaced
Official information note
Mistakes do happen. Please check official deere.com website for official information.
