Many if not most of the aftermarket regulators ar crap.
I just bought two in row from this website and neither worked right. Both A&I versions of a Delco, but both quite different even though the same part #.
First one had no hardened points in the cut-out area. Tractor would charge, but they'd stick when shut down and I'd have to pull the cover and pry them apart.
I called and they sent a second one. This one was built much more rugged and weighed much more. Night-and-day difference. Put it on and the system chareged at 16.5 volts. So, I had to pull the cover off and adjust the voltage limiter to 14.5. Now it's fine (for now).
So two, new, and both not works as they were shipped.
Also bougt a new Echlin from NAPA for a different machine (still a Delco copy). That was a few years ago. Every spring, I have to pull the cover off and file the points in it (for the voltage limiter). Then it will work fine all summer.
I paid $33 for the Delco copy I bought on this Website (A&I brand). I also noticed that John Deere sells their's for almost $100 !! Same Delco cross-reference number. So maybe for that high price, the one Deere sells really is a Delco - or at least made to the same quality level. For Delco # 1118981 or 11118988. Used on IH and Ferguson tractors as well as many others.
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Today's Featured Article - The Cletrac General GG and the BF Avery A - A Bit of History - by Mike Ballash. This article is a summary of what I have gathered up from various sources on the Gletrac General GG and the B. F. Avery model A tractors. I am quite sure that most of it is accurate. The General GG was made by the Cleveland Tractor Company (Cletrac) of Cleveland, Ohio. Originally the company was called the Cleveland Motor Plow Company which began in 1912, then the Cleveland Tractor Company (1917) and finally Cletrac.
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