they have changed the formula several times I would guess with different additives but it is much the same oil, I was told by Case when they bought IH the Hy-Tran had some thing in it that was not compatiable wth TCH and TFD but now it will blend with no problems, I would guess that was the major change done to it since 1985
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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