Before the SAE standard J543a the automotive, truck, and tractor world was pretty much evenly split between positive and negative ground, generally by manufacturer. In the 1930s there were arguments put out by the different factions justifying their choices.
Its kind of like which side of the road to drive on. So long as you are alone, either side gets you to your destination safely, but if you have to share it works a whole lot better if all follow the same rule.
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Today's Featured Article - Box Plow Blues - by Tom Schwarz. One of the first implements most tractor owners obtain is the box plow. For very little money, this piece of equipment promises to plow and flatten any hill or vale on your ranch road or farm. At least that's what I thought! As simple as a box plow appears, it can be rather challenging to make work correctly. In our sandy soils of Florida, traction is king. You can never have wide enough tires or heavy enough weights to get all the traction you want … unless you own a monster tractor. U
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