The 686 is nearly identical to the 666 before it. They just renamed it 686 when the 86 series came along in 1976. I don't see much of a comparison with a 656 other than they were both red. One change did occur in 1979 when the engine went from 312 cid to 310 cid. The info I see on the Nebraska tests show the Deere to have both a 1000 rpm PTO and a 540 whereas the 686 just has 540. Comparing the bare tractors the Deere weighs about 1000 lbs more than the 686. Personally, the TA would turn me off but there are other things to look at.
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Today's Featured Article - Uncle Cecil's Super A Lives Again - by Mike Purcell. A week or so out of most of my childhood summers was often spent with my Uncle Cecil and Aunt Sissie in the small East Texas town of Maydelle on their 80 acre farm. Some of my fondest memories of these visits are those of learning to drive a tractor at the helm of Uncle Cecil’s 1948 Farmall Super A. Uncle Cecil was the second owner of this wonderful little tractor, but it was almost as though he had adopted an infant. The original owner was a man from Minnesota who bought her from a local dea
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