Prime Movers in Hydraulic Systems

Here’s another Flint Hydraulics Tech Tip: A hydraulic system is not a source of power. In a hydraulic system, the engine or electric motor that drives the pump, called the prime mover, is the source of power. The typical prime movers of hydraulic systems in mobile equipment applications are diesel or gasoline engines; in industrial hydraulic applications electric motors are more common. Regardless of the type of prime mover, however, the principles of hydraulic power are the same.


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