This question is much like who made the best pickup truck or tractor ever. Just as Important as what oil to use is and that is the breakin procedure that has sparked many schools of thought. To make a long story short I would suggest a question like how do you suggest I breakin a recent engine overhaul? There is one thing I have always done and that is I just use my normal oil after a rebuild and drive it as normal but I drop the oil and filter within 1000 miles this is a must. In a tractor it depends on how hard you work it as to hours. In my years of doing rebuilds and listening to some exotic procedures I had a chance to talk to a successful dragster motor builder where they may do a complete engine rebuild overnite to be ready for the next run and all he would say is "get the trash out of the motor" in other words change the first oil quickly. He said depending on the ambient temperature they would change the oil after every run. I personally after every overhaul would run the engine at a fast idle for some time then hook it to a dyno and run it at 75% of rated hp for an hour then before I shut it down run it a rated hp for fifteen minutes then drop the oil and filter. Then I tell the customer to change the oil the next two times at 50 hour intervals then she's good.IMHO It's worked for me for many years and may not work for others.
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Today's Featured Article - Tractor Proflie: John Deere Model R - by Staff. The John Deere Model R, the last of the lettered tractors, was the first diesel-powered tractor produced by John Deere with a gasoline starting engine. It was also the first tractor they produced that had an optional steel cab. The photo above shows the tractor w
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