The John Deere 8100 battery size is listed as 12 V.
Voltage12 V
John Deere 8100 Battery Specs
Battery voltage
12 V
Battery Spec Comparisons Chart
Voltage comparison
This model
12 V
Average
11.54 V
Low
6 V
High
24 V
John Deere 8100 Battery FAQ
Replacement battery recommendation
The best replacement battery for a John Deere 8100 tractor is typically the John Deere StrongBox battery, known for its durability and performance. However, you may also consider alternatives like the New Holland 4DLT battery, which can be a cost-effective option
Battery voltage
The John Deere 8100 tractor uses a 12-volt battery system
Battery group size
John Deere 8100 tractors use two 12-volt batteries with a Cold Cranking Amps (CCA) rating of 925 each
Battery CCA
The John Deere 8100 tractor uses two 12-volt batteries with a Cold Cranking Amps (CCA) rating of 925 each
Battery location
The battery on the John Deere 8100 tractor is located on the left side beside the steps. To access it, you need to pull outward on the cover and lift it off
Battery replacement steps
To replace the battery on a John Deere 8100 tractor, disconnect the negative cable first, then the positive cable, remove the hold-down bracket, and lift the battery out. When installing the new battery, connect the positive cable first, followed by the negative cable, and secure the hold-down bracket
Bad battery symptoms
Common symptoms of a failing battery in a John Deere 8100 tractor include a voltage indicator flashing when battery voltage is low, slow cranking of the starter, and the entire electrical system not functioning due to faulty battery connections
Official information note
Mistakes do happen. Please check official deere.com website for official information.
