My local Deere Dealer's Service Manager told me 15 years ago around 6 - 7000 hours was average for an overhaul at that time for 70's, & 80's model year tractors. But greatly depends on how they are used, & how rough they are used. A very low hour tractor can have rust form in the cylinders for example if the tractor is ran a few times a year, or less. That 1986 500 hour has about 20 hours per year on it. Did it sit 10 years, & internal corrosion build up. It might work but with 25, or 50% of normal compression. Just something to think about.
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Today's Featured Article - Tractor Generators - by Chris Pratt. As a companion to the articles on three-brush and two-brush generators, it seemed fitting that we should provide our readers with a description of how a generator works in lay terms. The difficulty with all those "theory of operation" texts is that they border on principles of electricity or physics and such. Since I know nothing of either, you will have to put up with looking at the common sense side of how generators work which means we "
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