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 - Threshin Demonstration - by Michael Delaney. Introduction I bring you greetings from Prince Edward Island, Canada. We are Canada�s smallest province but big on farming. Maybe you�ve heard of us. Potatoes are our biggest crop. However, there is lots of mixed farming here also. I have a small mixed farm with 25-30 cattle. I make very good use of old machinery. I have a 135 MF Diesel, Farmall H and 1/3 share in an Allis B. I have complete lines of tillage and harvest equipment, and a saw gear etc. I have everything one would
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