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 - A Question for Dads This recent topic from the Tractor Talk discussion board is being highlighted because it is an awesome display of the caliber of individuals that have made this site their own. The young person asking questions received positive feedback and advice from total strangers who "told it like it is" with the care many reserve for their own kids. The advice is timeless... so although it isn't necessarily antique tractor related, it will be prominently displayed in our archives to honor those who have the courage to ask and those who have the courage to respond in an honest, positive manner.
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