In frigid Wisconsin? A real synthetic made by Mobil 1, Amsoil, Royal Purple or Lubrication Engineers. Not "treated" mineral oil that the other manufactures call synthetic oil. Some of these horror stories about synthetic arise from brand loyalty,old wives tales, stubbornness, ignorance and suspicion. Some based in fact as every tom dick and harry jobber shop in the 1970's marketed the new idea of synthetic oil. And some of those oils were worse than terrible. There some people who still search for and use non detergent oil in engines and hydraulics. Can't imagine why, it's 2009 not 1939. Oil has changed. Put 5W30 Amsoil or Mobil 1 in there with a filter that isn't a Fram. And change once a year. The engine will start easier in cold weather and have oil pumped to bearings sooner. Under high heat towing conditions the synthetic will still be lubing were mineral oil is breaking down.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let�s make one more addition to our series on hydraulics. I�ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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