John Deere 3040 Battery Size + Replacement Guide

Quick answer:

The John Deere 3040 battery size is listed as 12 V, 720 CCA.

Voltage12 V
CCA720 CCA

John Deere 3040 Battery Specs

Battery voltage 12 V
Battery CCA 720 CCA

Battery Spec Comparisons Chart

CCA comparison

This model

720 CCA

Average

688.22 CCA

Low

150 CCA

High

1850 CCA

Voltage comparison

This model

12 V

Average

11.66 V

Low

6 V

High

24 V

John Deere 3040 Battery FAQ

Replacement battery recommendation The best replacement battery for the John Deere 3040 tractor is a sealed 12V battery with 720 cold cranking amps (CCA) and 88 amp-hours (Ah). This type of battery is designed for reliable engine starting and requires no maintenance
Battery voltage The official battery voltage for the John Deere 3040 tractor is 12.00 Volts
Battery group size The official battery group size for the John Deere 3040 tractor is 12V with a capacity of 88Ah. This battery is designed for starting and is sealed for life, requiring no maintenance
Battery CCA The recommended cold cranking amps (CCA) for the John Deere 3040 tractor battery is 720 CCA. This rating helps ensure reliable engine starting, especially in cold conditions
Battery location The battery on the John Deere 3040 tractor is located underneath the right access step. You may need to open the flap and possibly remove the access step to access it
Bad battery symptoms Common symptoms of a failing battery in a John Deere 3040 tractor include hard starting or no response when trying to start, clicking sounds, and rapid battery drain. Additionally, corrosion on battery terminals and issues with the charging system can also indicate battery problems
Official information note

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