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generator

L

Lightner

Member
I have a 190 Farmall C that has been converted to 12v (alternator)

I would like to replace the alternator with a 12v generator.

Other than the generator what would I need to complete this job?

Thanks,

Billy
 
Billy,
You will need the appropriate voltage regulator, a wiring diagram, maybe a new or right length belt.
Not much wiring should need to be changed/ or added but with out looking at it I can't say for sure.

A generator should keep the battery charged if you use the tractor and run it at least 1/3 to 1/2 throttle, if you're going to use the tractor for show and parades it may not keep it charged. A generator needs to spin quite fast to charge but an alternator can charge at an idle. This is why so many put alternators on their tractors mainly because they don't use them and they never get much above an idle long enough to put an ample charge back into the battery.

I have a Farmall H that still has a 6 volt system with a generator. I use this tractor with a belly mower and it keeps the battery charged very well. This is because I run the tractor almost at full throttle when mowing for at least 45 minutes to an hour each time I mow.

Hope this helps.
John
 
As posted below, you need of course a 12 volt genny and 12 volt Voltage Regulator, the wiring changes will be minor,,, the wire that connects to the alternators big main output stud now wires instead to the BAT terminal on the new VR,,,,,,GEN/ARM terminal on VR wires to gennys ARM post,,,,,,,,,FLD terminal on VR wires to gennys FLD post. Be sure to Polarize the genny BEFORE you start her up. If it was already converted from Pos to Neg ground and has an ammeter its wires needed to be swapped or else it would read bass ackwards. If its a coil ignition instead of a Magneto, the coil is polarity sensitive and for neg ground its lil + gets ignition switched voltage while its lil - wires to distributor.

This cant be certain as I have no idea how its wiring was modified when it was converted to an alternator, so this is just a guide subject to what was done before mind you...

John T
 
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