Quick answer:
The Kubota M125GX-III tractor battery specs found are Group 31, 12 V, 13 × 6.81 × 9.44 in.
Battery sizeGroup 31
Voltage12 V
Case size13 × 6.81 × 9.44 in
Kubota M125GX-III Battery Specs
| Battery size / group | Group 31 |
|---|---|
| Battery voltage | 12 V |
| Battery dimensions | 13 × 6.81 × 9.44 in |
Battery Spec Benchmarks
Voltage benchmark
Case length benchmark
Benchmarks are general reference ranges for utility tractor batteries.
Kubota M125GX-III Battery FAQ
| Replacement battery recommendation | For the Kubota M125GX-III tractor, use a battery that matches 12 V, Group 31, case size around 13 × 6.81 × 9.44 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 M125GX-III tractor is 12 V. |
| Battery group size found | The battery group size found for the Kubota M125GX-III tractor is Group 31. |
| Battery replacement steps | On the Kubota M125GX-III, treat the battery swap as a fitment job, not just a voltage match. Use a battery matching 12 V, Group 31, 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 | When the Kubota M125GX-III battery no longer holds charge, you may see slow cranking, dim lamps, weak accessory power or a starter that clicks instead of turning the engine over. |
Official information note
Mistakes do happen. Check the operator manual, service manual and official kubotausa.com website for official battery specifications before buying parts.

