Quick answer:
The Case IH Maxxum 150 tractor battery spec found is 12 V with Group 31 battery sizing.
Voltage12 V
Group size31
Case IH Maxxum 150 Battery Size Details
| Replacement battery recommendation | CNH Genuine Batteries are engineered with a lead calcium alloy and heavy wrought plates for extended cranking power and durability in demanding conditions, and are specifically designed for Case IH Maxxum tractors – 12 V, Group 31 |
|---|---|
| Battery voltage | 12 V |
| Battery group size | 31 |
Case IH Maxxum 150 Extra Battery Notes
| Replacement note | For the Case IH Maxxum 150, 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 Maxxum 150 tractor is located under the hood. It typically has a 12-volt system with various optional battery configurations |
| Battery replacement steps | To replace the battery on a Case IH Maxxum 150 tractor, first, disconnect the negative terminal followed by the positive terminal. Then, remove the old battery and install the new one by connecting the positive terminal first, followed by the negative terminal |
| 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.


