We have a 2001 JD 4600 that we use JD 5W-30 in, as recommended by the owners manual. This tractor is only used about 50 hrs a year so I don't change it more than once a year. The book says 5W-30 is good up to 85F, when it gets warmer than that I put it away and go fishing. If I needed to use it a lot in warmer weather I would probably switch to 15W-40 but we keep it in Northern MN and I want to be able to plug it in and use it for snow plowing in a couple of hours. This has a Yanmar engine that runs quite cool, 150F regardless of conditions.
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Today's Featured Article - Box Plow Blues - by Tom Schwarz. One of the first implements most tractor owners obtain is the box plow. For very little money, this piece of equipment promises to plow and flatten any hill or vale on your ranch road or farm. At least that's what I thought! As simple as a box plow appears, it can be rather challenging to make work correctly. In our sandy soils of Florida, traction is king. You can never have wide enough tires or heavy enough weights to get all the traction you want … unless you own a monster tractor. U
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