The Case IH Maxxum 120 tractor battery spec found is 12 V with Group 31 battery sizing.
Voltage12 V
Group size31
Case IH Maxxum 120 Battery Size Details
Replacement battery recommendation
12 V – Group 31
Battery voltage
12 V
Battery group size
31
Case IH Maxxum 120 Extra Battery Notes
Replacement note
For the Case IH Maxxum 120, 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 120 tractor is located on the left side of the radiator support
Battery replacement steps
To replace the battery on a Case IH Maxxum 120 tractor, first disconnect the negative terminal followed by the positive terminal, then remove any securing brackets and lift the battery out. Install the new battery by reversing the process, ensuring the terminals are connected correctly
Bad battery symptoms
Common symptoms of a failing battery in a Case IH Maxxum 120 tractor include hard starting or no response when trying to start, a clicking sound indicating insufficient power, and visible corrosion on battery terminals. Additionally, if the battery holds less than 11.5V on a multimeter test, it likely needs replacement
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.
