When it comes to oil, I use the oil my handbook recommends. GM recommends 5w30 full synthetic in my 2018. GM recommends 5w30 conventional oil in my 2005 and 2007. Kubota gave me a quart of oil for my 2019. I think it was conventional 10w30 oil. Not 100%. It is sitting on the shelf next to the tractor. I'll have to look. Someone said it was Valvoline oil.
I can't say I've ever had an engine fail because of oil.
I don't overthink oils. Just use what your handbook says.
One time I put an additive in my car. The additive screwed up the O2 sensor. The new O2 sensor said don't use additives..
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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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