Not sure what you mean by the rpm comment. I have a 2012 supercab 4x4 with 3:73 gears and tow a fifth wheel camper weighing around 10,000# loaded. The truck is rated to tow 11,300#. Towing at 60 mph in the Cascade mountain range the highest rpm I've seen is around 3000 on the steepest grades (like the Santiam Pass when the truck shifted down into third) and I could have easily pick up speed. Torque curve charts show 90% of peak torque at 1,700 rpm.
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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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