Nothing. We must have had a special 4020. Grandpa bought new in 1964 and it left farm in the mide 80s after about 8,000 hrs. Engine never was overhauled and yes we used it for heavy tillage for about the first 6,000 hrs. Everybody that bought a 4020 back then must have only baled hay with them. I also think the TA problems is slightly overblown. I have IH 1256 with over 5,000 hrs and TA has yet to be replaced.
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Today's Featured Article - New Life for an Old Allis - by Tyler Woods. My friend Jon, has an old '39 Allis Chalmers B. He thought it a marginal tractor that had long since served its time. She smoked terribly and never had much power but he couldn't afford another so he was limping along with what he had. Jon's Allis has a small front loader and though it doesn't carry much, it serves his needs. It was the hard starting and low power that made him think it was time to replace the old girl. Jon called me to help him discover why his tractor wouldn't start
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