The Kubota JB11X tractor battery specs found are Group 51R, 500 CCA, 9.38 × 5.06 × 8.75 in.
Battery sizeGroup 51R
CCA500 CCA
Case size9.38 × 5.06 × 8.75 in
Kubota JB11X Battery Specs
Battery size / group
Group 51R
Battery CCA
500 CCA
Battery dimensions
9.38 × 5.06 × 8.75 in
Battery Spec Benchmarks
CCA benchmark
This model
500 CCA
Average
550 CCA
Low
300 CCA
High
800 CCA
Case length benchmark
This model
9.38 in
Average
9.8 in
Low
7.75 in
High
13 in
Benchmarks are general reference ranges for compact tractor batteries.
Kubota JB11X Battery FAQ
Replacement battery recommendation
For the Kubota JB11X tractor, use a battery that matches Group 51R, 500 CCA or higher, case size around 9.38 × 5.06 × 8.75 in. Also match the terminal layout, hold-down style and battery tray clearance before buying.
Battery group size found
The battery group size found for the Kubota JB11X tractor is Group 51R.
Battery CCA found
The battery CCA figure found for the Kubota JB11X tractor is 500 CCA.
Battery replacement steps
When swapping the Kubota JB11X battery, match the replacement to 9.38 × 5.06 × 8.75 in and keep the same terminal layout. Shut the tractor down fully, remove negative first and positive second. After the new battery is seated and clamped, connect the positive cable first, followed by the negative cable.
Bad battery symptoms
If the Kubota JB11X is fitted with Group 51R and the battery is failing, the first clues are usually hard starting, quick voltage drop, clicking from the starter solenoid and unreliable cold starts.
Official information note
Mistakes do happen. Check the operator manual, service manual and official kubotausa.com website for official battery specifications before buying parts.
