6 Volt to 12 Volt Conversion Help

We are asked pretty frequently about how to convert a tractor from 6 volt to 12 volt.  There are any number of reasons why customers want to do the conversion and a debate always arises over whether you should convert or not.  Whether you choose to stick with the original charging system and repair or replace your components or you choose to convert to a newer style charging system, Steiner Tractor Parts can supply many of the parts necessary for the job.

Inexperienced mechanics and tractor hobbyists sometimes have issues with the conversion. If this is your first time converting from 6 volt to 12 volt, you may want to seek out a qualified mechanic or a tractor enthusiast with more experience.  These components can be pricey and incorrect wiring or procedure can ruin some of the electrical parts, increasing the costs for the job.

We have a few helpful documents on our website to assist with your conversion.

Farmall H, Super H, 300, 350 – Here are  instructions for converting these tractors using our alternator bracket kit, IHS1246.  These instructions also provide a useful framework for the steps to take to convert  many different models with slight variations.

Many models can use our 63 Amp One Wire Alternator with Pulley for converting from 6 volt to 12 volt. Our part number on this alternator is ABC418. We provide some useful installation instructions for this alternator as well as some tips about mounting the alternator.

You may also find it useful when considering converting from 6 volt to 12 volt, to read our document about switching the polarity on your tractor from positive to negative ground.

If you decide that conversion isn’t for you and you want to repair an existing generator, check out this bulletin from Delco-Remy regarding service and maintenance of their generators.