An acquaintance of mine ( a liscensed diesel mechanic) worked in the Esso/Exon lubricant lab in Sarnia Ontario in the late '80s. early '90s. They used 6V92 Detroits as their test engines. Engines were hooked to dynos, run wide open and lugged down to about 1400 rpm and run for 100 hrs, tore down, wear measured and then rebuilt before the next test, I questioned him about how much wear would be evident in that short a test period but he assured me lots. He said at that time there was no multiweights equal to a straight weight. Undoubtedly, there have been improvements in multiweights, particularly synthetics in the 20 years since then.
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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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