The John Deere 420C battery size is listed as Group 24F, 6 V, 10.25 × 6.81 × 8.88 in.
Battery sizeGroup 24F
Voltage6 V
Case size10.25 × 6.81 × 8.88 in
John Deere 420C Battery Specs
Battery size / group
Group 24F
Battery voltage
6 V
Battery dimensions
10.25 × 6.81 × 8.88 in
Battery Spec Comparisons Chart
Voltage comparison
This model
6 V
Average
11.66 V
Low
6 V
High
24 V
Case length comparison
This model
10.25 in
Average
11.13 in
Low
7.75 in
High
13 in
John Deere 420C Battery FAQ
Replacement battery recommendation
The best replacement battery for a John Deere 420C tractor is a John Deere StrongBox Premium Battery, designed for durability and reliability in demanding conditions. These batteries are built to meet the specifications of your equipment and are backed by an excellent warranty
Battery voltage
The official battery voltage for the John Deere 420C tractor is 6 volts
Battery group size
The official battery group size for the John Deere 420C tractor is BCI Group Size 24F. This size is suitable for providing high power for small-to-medium diesel engines and fits perfectly in common John Deere tractor compartments
Battery CCA
John Deere 420C tractors use a 6-volt electrical system, and owners commonly recommend heavy-duty 6-volt batteries with high Cold Cranking Amps (CCA) for reliable starts in tough conditions
Battery location
The battery on the John Deere 420C tractor is located near the engine, and access typically requires removing the clutch pedal due to its placement
Battery replacement steps
To replace the battery on a John Deere 420C tractor, open the right access step flap and remove the step by taking out the attaching screws; the battery is located underneath the step
Bad battery symptoms
Common symptoms of a bad battery in a John Deere 420C tractor include the tractor not starting, the starter clicking without the engine turning, and weak or failed battery performance. Regular maintenance and checking battery connections can help prevent these issues
Official information note
Mistakes do happen. Please check official deere.com website for official information.
