My take on it (this is pure speculation folks) since I have 2ea 1960's tractors and use it, is that Generic 303 and J20C (to name a couple I always looked for depending on the tractor it was for) appeared in the applicable charts on the rear of the containers. Seems holders of those specs (who sold their own branded oil) didn't like it and as a result the specs (all of them) have been removed and replaced with wording like....."has been proven in field testing for this and that bla bla.
WW sells (did a few months ago...maybe still do) a 5 gallon bucket of oil named 303. Main difference between it and today's UTF is additives for wet brake chatter prevention and hydros....whatever that means in terms of additives. Reading farm site comments, both seem to be fluid sensitive, requiring current oil specs.
Gets to be a catch 22 when you figure what some branded oils cost and the amount required in servicing the sump, when you decide to deviate from OEM sold and recommended oils (which they have tested and approved...not the after market one you want to buy), can be a real crap shoot.
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Today's Featured Article - A Lifetime of Farm Machinery - by Joe Michaels. I am a mechanical engineer by profession, specializing in powerplant work. I worked as a machinist and engine erector, with time spent overseas. I have always had a love for machinery, and an appreciation for farming and farm machinery. I was born and raised in Brooklyn, New York. Not a place one would associate with farms or farm machinery. I credit my parents for instilling a lot of good values, a respect for learning, a knowledge of various skills and a little knowledge of farming in me, amo
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