Hello BOBM45: It sounds like a fairly good running MD and I have a lot of time on MD's. I'd be tempted to leave well enough alone if it's just a hobby tractor. The first item I would like to question is the Small puddle of "oil" you say appears under the breather tube. I've seen that on various engines and one time I took a real close look. It turned out to be mostly water with just enough diesel fuel in it to make it seem like all oil. How about checking that on a hot Summer day rather then early Winter such as now? I don't like a lot of blowby either but life ain't perfect when looking at old machines. A diesel needs good pistons and rings to get good compression in order to run good. Yours runs good. Maybe it's excess water vapor from the way you store giving it lots of crankcase condensation. Maybe some rain water running into crankcase? How about blowby after a full day of heavy work? Just thought I'd question the reason for the blowby. Good luck which ever way you go...
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I’m handing him tools and he says, "give me that..." and I’ve already got it in his hand or "hand me that....."and I’ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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