Well, In my ignorance, blissful as it is, I have only heard that the diesel grade oil is a heavy duty oil and contains zinc which helps keep the flat tappet cams alive in contrast to the energy conserving oil that today's cars use. The EC oil drains off of surfaces too fast and is more prone to "dry starts". Zinc is not good for a catalytic converter and can cause failure of those. So if your non cat veh is a flat tappet cam, heavy duty oil might be in order. The diesel grade is just a lazy man's way out in the abundance of supply and the need not to look too far.
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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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