Yo Jim, far as I know it was only Fords that used a B charging system, while most all others including Deere n IHC n Oliver n AC n MM used the A. As I know youre well aware the A system controls the charge rate by regulating the gennys field ground resistance while the B system does it on the voltage input to the Field and the Fields are already grounded on their output. To make an A system full charge you would dead ground the gennys FLD post but to full charge a B system you would apply full voltage to the gennys F terminal.........
If youre like me I get things like A or B or B or A mixed up but I learned this years ago when I tried to use a Ford VR on an IHC or Deere (I forget) and after I let the smoke out I taked to an old timer at the genny shop who yelled at me YOU CANT USE A FORD VR EXCEPT N FOR FORDS LOL
I have no idea which Fords used the B system, we would have to venture over to the Ford boards to learn that
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Today's Featured Article - When Push Comes to Shove - by Dave Patterson. When I was a “kid” (still am to a deree) about two I guess, my parents couldn’t find me one day. They were horrified (we lived by the railroad), my mother thought the worst: "He’s been run over by a train, he’s gone forever!" Where did they find me? Perched up on the seat of the tractor. I’d probably plowed about 3000 acres (in my head anyway) by the time they found me. This is where my love for tractors started and has only gotten worse in my tender 50 yrs on this “green planet”. I’m par
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