Cat lists a 1 5/8" long bolt 4K7038 and 7K2017 nut. Yours was probably a hex nut and lock washer, Cat now uses the shorter bolt with the square nut now.
Ok next odd ball question I saved a set of freshly rebuilt track chains and pads from the scrap yard but those like the book say only have 31 links/pads.....my old track on my machine actually have 32, both are 4 roller side frames....and my tensioner is not all the way out was there a different option for say a larger idler or somthing that allows for 1 extra link/ pad??
Just went to re- measure the bolt I took out it is definitely 1-3/4 long and had a square nut on it with no lock washer.
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