6volt or 12 volt

There are thousands of old tractors other there that have 6 volt starters on them and 12 volt systems and they have worked well for many decades. I have at least 10 that have 6 volt starters but have been converted to 12 volts
 
gas models 6 volt. i believe the later ones were 12 volt.
diesels 12 volt.
well it does work but not something i am keen on. i am one for keeping things 6 volt if thats what it is. proper cables and good conections and no problem with 6 volt. i just cant stand jamming the bendix into the flywheel. this topic almost causes a war.
 
I would agree with Rustred that it does snap the bendix pretty good, but I have had tractors with these for 30+ years and no issues. I would go with the 12V conversion.
 
The designers were pushing the limits of 6 volts in 'bigger' tractors like the 450. A 12 volt system makes them more reliable starters. If you're pushing 12 volts through a 6 volt starter you'd better not crank it too long if it doesn't want to start. If a little Farmall A or B won't crank on 6V something's not up to snuff and switching to twelve is just a bandaid.Jim
 
my 400 has 6 volt starting and the starter spins it over real good. starts pretty much as soon as you turn the key. hate to see what a 12 volt would do in it.
 
Don't know about your model but the ford diesel was 12v, you might check if the diesel version is the same starter just 12v.
 
Tractors with serial number 501 to 11803 use starter number 1108038, 6 volt. Tractors with serial number 11804 and above use starter number 1108173, 12 volt. The field coils and commutator end frames are different between the two starters.
 

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