It depends on the age and size of the tractor. The older tractors were 6 volt systems. Newer more modern tractors are generally 12 volt systems. Large Horse power machines will probably have 24 volt systems.
there are 12 of them in said such batman
6 or 12,depends on what the manufacturer designed the sysytem to work on.
If it is a model from the last fifty years it is a 12 volts battery.
1.55 volts
12 volts / 160 cold cranking amps
A good AA battery has about 1.5 volts across it.
1.5 volts
12 volts DC
1.5 volts
The battery for an 95 Infiniti J30 is 12 Volts.
12 volts
12 volts