The wear on the ring and pinion (bevel gears) has been long in the making. To me it is evidence that the "replaced gears" was a patch job, not a rebuild. I would find a donor rear end and swap it out. Or buy the gears and repair it correctly with new bearings as needed. One will cost more in labor and effort, the other has a bit of risk as you will need to look at the donor with a jaundiced eye to be sure you don't have more issues. I really like the 300 tractor, and yours is becoming family(I think). Jim
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Today's Featured Article - Memories of an IH Super A When I was ? up to 10, I worked on my Papaw's farm in Greeneville, TN every summer. As I grew older (7), it was the thrill of my day to ride or drive on the tractor. My Papaw had a 1954 IH Super A that he bought to replace a Cub. My Papaw raised "baccer" (tobacco) and corn with the Super A, but the fondest memory was of the sawmill. He owned a small sawmill for sawing "baccer" sticks. The Super A was the powerplant. When I was old enough (7 or 8), I would get up early and be dressed to
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