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rhtx55 02-20-2013 18:11:01 68.185.207.25 Report to Moderator

I worked as a diesel engine mechanic for over 10 years and my experience on semi-tractor rear ends is limited. Most shops I worked at there was one and I mean only one gear man that overhauled them. Even at that they were using new matched rings & pinions and still would sometimes have one that would just howl !!! Since any NOS ring & pinion set would be hard at best to find, let alone a matched pair, and I am sure you could buy another complete tractor for what they would cost, you have to settle for a bit of a comprimise. I would set it back to the .015 backlash setting where the prussian blue impression looked good and let it " wear in". It will quiet down eventually. I seriously doubt you would do much damage either way, but IMOP those gears are very hard, and running in 85-140 gear oil it will take a week or two of plowing hard ground to get them to wear much at all. This post was edited by rhtx55 at 18:12:42 02/20/13 2 times. [Reply]   [No Email]