Quick answer:
The Case IH MXU100 tractor battery spec found is 12 V with Group 31 battery sizing.
Voltage12 V
Group size31
Case IH MXU100 Battery Size Details
| Replacement battery recommendation | The best replacement battery for the Case IH MXU100 tractor is a CNH Genuine Battery, which is designed for high performance and reliability in demanding environments. – 12 V, Group 31 |
|---|---|
| Battery voltage | 12 V |
| Battery group size | 31 |
Case IH MXU100 Extra Battery Notes
| Replacement note | For the Case IH MXU100, match the replacement battery to the captured spec: 12 V, Group 31. Physical fit, terminal layout and hold-down fit still matter |
|---|---|
| Battery location | The battery on the Case IH MXU100 tractor is typically located under the seat. This placement is common for many models in the MXU series |
| Safe removal note | Disconnect the negative cable first, then disconnect the positive cable. Install the new battery, connect the positive cable first, then reconnect the negative cable last. That reduces the chance of shorting a tool against the frame |
Official information note
Mistakes do happen. Battery specs can change by year, engine, market, terminal layout and installed options. Check the old battery label, operator manual, parts book and official caseih.com website before ordering a replacement battery.

