converting a 6 volt generator to 12 volt

kkohls · Apr 8, 2012

My Farmall C is currently equipped with a 12 volt alternator which works fine but doesn't have that original equipment look. I have a spare 6 volt generator; is it possible to convert it to 12 volt ? I would like to make the tractor factory original as much as possible.

Kevin

WSJ · Apr 8, 2012

Installing 12 volt coils will do the trick.

John T · Apr 8, 2012

YES its possible to convert an old 6 volt genny to 12 volt with good practice and good engineering NO REAL PROBLEM.

I have even used a 6 volt genny to charge a 12 volt battery simply by using a 12 volt Voltage Regulator and it never caused a problem NOW before anyone has a calf Im NOT saying thats engineerign correct or good or best or Im advising it as an engineer or that it charged at a real high rate or that the fields werent drawing more current then designed for,,,,,,,IM ONLY SAYING IVE DONE IT AND IT WORKED OKAY.

John T

SadFarmall · Apr 9, 2012

You surely can do it, but it is probably cheaper to sell it and just buy a 12 volt generator in its place.
SadFarmall

gene bender · Apr 9, 2012

So why not just go with the original 6v stuff as the C sure doesent need 12v. Now if you had an H or M with hopped up engine different story but the C will start and run just fine with 6v.

Owen Aaland · Apr 9, 2012

(quoted from post at 04:15:24 04/09/12) You surely can do it, but it is probably cheaper to sell it and just buy a 12 volt generator in its place.
SadFarmall

The problem with just buying a 12 volt generator is most of the Farmalls used a generator with a longer then normal armature shaft to allow use of the adjustable pulley. If you fins a 12 volt generator with the extended armature, go for it.

gbs · Apr 9, 2012

you don't have to have a 12 volt gen, a 6 volt gen will work it's capable of producing 17 volts,use it with a 12 volt reg,contrary to some belief's this type setup will work i have one and know of a couple more ,draw back is you still have a gen system that charges none or very little until engine is about one third throttle,where as and alt will charge at low engine speed once excited which i prefer

WSJ · Apr 9, 2012

I have a 6 V generator and a 12 V regulator on my Framall H and it's working great at 14.4 V.

WSJ · Apr 9, 2012

I also have a 6 V starter running on 12 V.

converting a 6 volt generator to 12 volt

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