Do you ever wonder how those heavy duty, high powered equipment vehicles work? I’m talking about tractors, bulldozers, cranes and trucks that lift, push, haul, dump, dig, crush and drill in countless large-scale applications. They harness enormous power to handle extremely heavy loads. You might be surprised, but the main part behind the power—hydraulic cylinders—are probably more simple than they seem, and they don’t require a lot of energy. They use the basic principle of fluid under pressure, and are featured in any system that needs multiple moving parts at once. These cylinders have been around for a while, since the 1970s, and haven’t changed much in design or function. Sure, their manufacturing processes are faster and the tolerances are tighter, but their classic construction still operates just as well with newer machinery as they do with old.
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