Had a 4600 Ford do that. Something malfunctioned in the injector pump, ran about 2500 rpm with the fuel shut off out. Tractor ran for a few minutes like that, loading it on a truck since it was still under warranty. Pump was repaired and tractor ran well for years after. As the rpm 's increase, the valves begin to float, limiting the rpm s of the engine before damage is done. Ben
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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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