The Kubota B2100 tractor battery specs found are Group 51R, 12 V, 390 CCA, 9.38 × 5.06 × 8.75 in.
Battery sizeGroup 51R
Voltage12 V
CCA390 CCA
Case size9.38 × 5.06 × 8.75 in
Kubota B2100 Battery Specs
Battery size / group
Group 51R
Battery voltage
12 V
Battery CCA
390 CCA
Battery dimensions
9.38 × 5.06 × 8.75 in
Battery location
The battery on the Kubota B2100 is located on the passenger side, next to the ROPS, between the cargo box and the back of the seat/cabin.
Battery Spec Benchmarks
CCA benchmark
This model
390 CCA
Average
550 CCA
Low
300 CCA
High
800 CCA
Voltage benchmark
This model
12 V
Average
12 V
Low
12 V
High
12 V
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 B2100 Battery FAQ
Replacement battery recommendation
For the Kubota B2100 tractor, use a battery that matches 12 V, Group 51R, 390 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 voltage found
The battery voltage found for the Kubota B2100 tractor is 12 V.
Battery group size found
The battery group size found for the Kubota B2100 tractor is Group 51R.
Battery CCA found
The battery CCA figure found for the Kubota B2100 tractor is 390 CCA.
Battery location
The battery on the Kubota B2100 is located on the passenger side, next to the ROPS, between the cargo box and the back of the seat/cabin.
Battery replacement steps
For a clean Kubota B2100 battery replacement, compare the old battery against the new one for Group 51R, terminal position and tray clearance. Power the tractor down, remove the key, disconnect negative before positive, then lift the battery out carefully. Set the new battery in place, tighten the hold-down and reconnect positive before negative.
Bad battery symptoms
With a 12 V, Group 51R, 390 CCA setup, the Kubota B2100 should crank cleanly. If it clicks, cranks slowly, loses charge overnight or needs boosting often, the battery is suspect.
Official information note
Mistakes do happen. Check the operator manual, service manual and official kubotausa.com website for official battery specifications before buying parts.
