The Kubota KL21 tractor battery specs found are Group 51R, 12 V, 800 CCA, 9.38 × 5.06 × 8.75 in.
Battery sizeGroup 51R
Voltage12 V
CCA800 CCA
Case size9.38 × 5.06 × 8.75 in
Kubota KL21 Battery Specs
Battery size / group
Group 51R
Battery voltage
12 V
Battery CCA
800 CCA
Battery dimensions
9.38 × 5.06 × 8.75 in
Battery Spec Benchmarks
CCA benchmark
This model
800 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 KL21 Battery FAQ
Replacement battery recommendation
For the Kubota KL21 tractor, use a battery that matches 12 V, Group 51R, 800 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 KL21 tractor is 12 V.
Battery group size found
The battery group size found for the Kubota KL21 tractor is Group 51R.
Battery CCA found
The battery CCA figure found for the Kubota KL21 tractor is 800 CCA.
Battery replacement steps
Before replacing the battery on the Kubota KL21, confirm the new battery matches 12 V, Group 51R, 800 CCA. Turn the tractor off, remove the key, disconnect the negative cable first, then disconnect the positive cable. Fit the new battery securely, connect positive first, then reconnect negative.
Bad battery symptoms
Common weak battery signs on the Kubota KL21 include slow cranking, rapid clicking when turning the key, dim lights, intermittent no-start problems and needing frequent jump 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.
