This is a very frequent question on this forum. The probably best selling 15-40 oil is called "all fleet" because it will work well in heavy equipment and trucks as well as light trucks and cars, and meets spec. for all. So 95 % of the guys on this forum do just that. The gov't. has forced the manufactures to spec. lighter oil in newer vehicles in order to meet fleet fuel mileage specs. Many owners will run lighter oil in cooler seasons and heavier in hot weather in order to prolong engine life.
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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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