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 - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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