STOU has been and gone, it came on the market in the UK in the mid to late 1960s, and was fine for most tractors built up untill the early 1990s. I have used this oil for years and never had a problem when used where reccomended. Now we are going back to dedicated, separate, engine and transmission oils now that powershift and IVT transmissions are the norm. Great in all the MF tractors exept for the power steer, Ford thousand sereis, and David Browns, and John Deeres up to the 6000 range but you could not use it in I-H tractors that needed Hy-tran. Now we use JD Hy-Guard in the Deeres, which goes in the older tractors that origionally used STOU oils. Check the specs and use where reccomended, this is not new by a long shot and has been well proven over many, many, years.
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Today's Featured Article - Self-Starting Tractor - McCormick 10-20 - by Francis J. Robinson. I remember it very clearly even though it was almost 50 years ago and I was only about seven years old. My Dad had purchased a new Ford-Ferguson tractor and basic set of implements when he started farming just about the beginning of W.W.II. It was considered a pretty nice outfit for their 70 acre central Indiana grain and livestock farm. Dad spent several years during the war testing aircraft engines at Allison Engineering in Indianapolis working seven days a week on a twelve hour night sh
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