The John Deere 1840 battery size is listed as 12 V, 590 CCA.
Voltage12 V
CCA590 CCA
John Deere 1840 Battery Specs
Battery voltage
12 V
Battery CCA
590 CCA
Battery Spec Comparisons Chart
CCA comparison
This model
590 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 1840 Battery FAQ
Battery voltage
The John Deere 1840 tractor uses a 12-volt battery system
Battery group size
The John Deere 1840 tractor uses two 12-volt batteries, and the recommended battery group size is 75
Battery CCA
The recommended battery for the John Deere 1840 tractor typically requires two batteries with 590 CCA each at 0°F, or a single battery with around 1000 CCA for sufficient starting power
Battery location
The battery on the John Deere 1840 tractor is located underneath the right access step
Bad battery symptoms
Common symptoms of a bad battery in a John Deere 1840 tractor include the engine not cranking, a clicking sound when starting, and slow starter operation. Additionally, if the battery voltage is low or connections are loose and corroded, these can also indicate battery issues
Official information note
Mistakes do happen. Please check official deere.com website for official information.
