Been a dealer for 28 years. The original ones had a vent , folks drive off in a creek and water gets in so we went to what you have. First of all about the only folks that have the pressure deal is ones that run a lot in road gear or fast for extended periods. I HAVE a few customers that chose to drill the fill plug and insert a cotter pin to allow little air exchange. As for enough pressure to blow seals doubt that ever happens. When a unit comes in for the first service we always drain and flush fill with 80/90 gear oil. My units here at the farm I also add Lucas oil additive. Seems to run quitter. Hope this helps and hope you like your tractor.
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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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