John Deere 7920 Battery Size (Group 31) + Replacement Guide

Quick answer:

The John Deere 7920 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 7920 Battery Specs

This model

12 V

Average

11.66 V

Low

6 V

High

24 V

This model

13 in

Average

11.13 in

Low

7.75 in

High

13 in

Replacement battery recommendation	The best replacement battery for the John Deere 7920 tractor is the John Deere StrongBox battery, which is designed to meet the demanding specifications of John Deere equipment. These batteries are built for durability and reliability in tough conditions
Battery voltage	The John Deere 7920 tractor uses two 12-volt batteries wired in series for a total system voltage of 24 volts
Battery group size	The official battery group size for the John Deere 7920 tractor is Group 31, which is commonly used for its high cold cranking amps (CCA) and larger volume
Battery CCA	The John Deere 7920 tractor uses two 12-volt batteries with a combined cold cranking amps (CCA) rating of 925
Battery location	The battery on the John Deere 7920 tractor is located on the left-hand side. To access it, you need to loosen a knob and remove the cover
Battery replacement steps	To replace the battery on a John Deere 7920 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. Make sure to disconnect any light connectors if the tractor has step lighting before removing the step
Bad battery symptoms	Common symptoms of a bad battery in a John Deere 7920 tractor include hard starting or no response when trying to start, clicking sounds when attempting to start, and rapid battery drain. Additionally, visible corrosion on battery terminals can also indicate battery issues