The answer is 12 volts, unless the ohms meter says different,check first before you assume.
It uses a 12 volt lawn mower engine battery.
Usually 12 volt negative ground.
Battery is 12 volt, U1 group
It should be 12 volt.
My lawn tractor is 12V, but I bet there are 6V ones also.
The majority are all 12 volt.
The ideal voltage for a lawn tractor battery is typically 12 volts.
Positive 12 volt
The best way is by the number of lids or cells in the battery. Each cell is approx. 2 volts. 6 volt has 3 lids 12 volt has 6 lids.
12Volts
12 volt
Yes, you can connect a Battery Tender Plus to a diesel tractor with a 12-volt system, even if it has four 12-volt batteries. Ensure that the batteries are wired in parallel to maintain a 12-volt system. Connect the Battery Tender Plus to the positive and negative terminals of the battery system as per the manufacturer's instructions, and monitor the charging process to avoid overcharging.