It was frustration like this that led me to put an alternator on my 1966 140 five years ago. I haven't thought about my charging system since. The replacement regulators you get today are nothing like the original Delcos IH put on these tractors. Bad out of the box is not uncommon. I had gone through a couple of rebuilt/reman generators and regulators in the ten years previous. They just didn't last like the originals did.(about 25 years for both.)
Jim--His tractor, and mine, are definitely 12V negative ground from the factory.
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Today's Featured Article - Oil Bath Air Filters - by Chris Pratt. Some of us grew up thinking that an air filter was a paper thing that allowed air to pass while trapping dirt particles of a particles of a certain size. What a surprise to open up your first old tractor's air filter case and find a can that appears to be filled with the scrap metal swept from around a machine shop metal lathe. To top that off, you have a cup with oil in it ("why would you want to lubricate your carburetor?"). On closer examination (and some reading in a AC D-14 service manual), I found out that this is a pretty ingenious method of cleaning the air in the tractor's intake tract.
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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