John Deere 20A Battery Size + Replacement Guide

Quick answer:

The John Deere 20A battery size is listed as 12 V, 1000 CCA.

Voltage12 V
CCA1000 CCA

John Deere 20A Battery Specs

Battery voltage 12 V
Battery CCA 1000 CCA

Battery Spec Comparisons Chart

CCA comparison

This model

1000 CCA

Average

839.52 CCA

Low

150 CCA

High

1850 CCA

Voltage comparison

This model

12 V

Average

11.54 V

Low

6 V

High

24 V

John Deere 20A Battery FAQ

Battery voltage The official battery voltage for the John Deere 20A tractor is 12 volts
Battery group size The official John Deere 20A tractor battery group size is 65
Battery CCA The recommended Cold Cranking Amps (CCA) for a John Deere 20A tractor battery is typically around 900-1000 CCA to ensure reliable starting power, especially in cold weather
Battery location The battery on the John Deere 20A 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 20A tractor, first, remove the negative (black) cable, then the positive (red) cable. After that, take out the old battery and install the new one by connecting the positive cable first, followed by the negative cable
Bad battery symptoms Common symptoms of a bad battery in a John Deere 20A tractor include weak or failed battery, corroded connections, and slow cranking of the starter. Additionally, if the tractor starts only when cold or has trouble starting after use, these may also indicate battery issues
Official information note

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