Im with the others who said use the manufacturers recommendation. Especially if it is still under warranty. That said 15-w40 has been around for some time and I know some that use that oil in everything on the farm, from their largest diesel tractor to their lawn mowers. I would have a hard time putting 15-W40 in my 2020 Ford 6.7 diesel since Ford recommends 10-W30 for diesels or my JD Gator that uses 0-W something. The moral of the story is things have changed.
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Today's Featured Article - Harvestin Hay: The Early Years (Part 2) - by Pat Browning. The summer of 1950 was the start of a new era in farming for our family. I was thirteen, and Kathy (my oldest sister) was seven. At this age, I believed tractor farming was the only way, hot stuff -- and given a chance I probably would have used the tractor, Dad's first, a 1936 Model "A" John Deere, to go bring in the cows! And I think Dad was ready for some automation too. And so it was that we acquired a good, used J. I. Case, wire tie hay baler. In addition to a person to drive th
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