John Deere 3020 Battery Size (Group 3EE) + Replacement Guide

Quick answer:

The John Deere 3020 battery size is listed as Group 3EE, 6 V, 850 CCA.

Battery sizeGroup 3EE
Voltage6 V
CCA850 CCA

John Deere 3020 Battery Specs

Battery size / group Group 3EE
Battery voltage 6 V
Battery CCA 850 CCA

Battery Spec Comparisons Chart

CCA comparison

This model

850 CCA

Average

839.52 CCA

Low

150 CCA

High

1850 CCA

Voltage comparison

This model

6 V

Average

11.54 V

Low

6 V

High

24 V

John Deere 3020 Battery FAQ

Battery voltage The John Deere 3020 tractor uses a 12-volt electrical system with two 6-volt batteries connected in series
Battery group size The official battery group size for the John Deere 3020 tractor is Group 3EE. This size is specifically designed for the tractor’s requirements
Battery CCA The recommended Cold Cranking Amps (CCA) for the John Deere 3020 tractor is 850 CCA. This ensures reliable starting performance, especially in cold weather conditions
Battery location The battery on the John Deere 3020 tractor is typically located under the right access step. You may need to remove the access step to reach it
Battery replacement steps To replace the battery on a John Deere 3020 tractor, first, disconnect the negative terminal followed by the positive terminal. Then, remove the old battery and install the new one by connecting the positive terminal first, followed by the negative terminal. Wikipedia SlideShare
Bad battery symptoms Common symptoms of a failing battery in a John Deere 3020 tractor include hard starting, clicking sounds when trying to start, rapid battery drain, and visible corrosion on battery terminals. If the battery is not holding a charge or shows low voltage, it may need to be replaced
Official information note

Mistakes do happen. Please check official deere.com website for official information.