Quick answer:
The Kubota BX1870 tractor battery specs found are Group 51R, 12 V, 850 CCA, 9.38 × 5.06 × 8.75 in.
Battery sizeGroup 51R
Voltage12 V
CCA850 CCA
Case size9.38 × 5.06 × 8.75 in
Kubota BX1870 Battery Specs
| Battery size / group | Group 51R |
|---|---|
| Battery voltage | 12 V |
| Battery CCA | 850 CCA |
| Battery dimensions | 9.38 × 5.06 × 8.75 in |
Battery Spec Benchmarks
CCA benchmark
Voltage benchmark
Case length benchmark
Benchmarks are general reference ranges for compact tractor batteries.
Kubota BX1870 Battery FAQ
| Replacement battery recommendation | For the Kubota BX1870 tractor, use a battery that matches 12 V, Group 51R, 850 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 BX1870 tractor is 12 V. |
| Battery group size found | The battery group size found for the Kubota BX1870 tractor is Group 51R. |
| Battery CCA found | The battery CCA figure found for the Kubota BX1870 tractor is 850 CCA. |
| Battery replacement steps | On the Kubota BX1870, treat the battery swap as a fitment job, not just a voltage match. Use a battery matching 12 V, Group 51R, 850 CCA, then disconnect negative first, positive second. Install the replacement, secure the hold-down, reconnect positive first and finish with the negative cable. |
| Bad battery symptoms | Common weak battery signs on the Kubota BX1870 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.




