A hydraulic power supply, also known as a hydraulic power unit (HPU), is a self-contained unit responsible for generating and delivering hydraulic energy to a system. It typically comprises an electric motor or internal combustion engine, a hydraulic pump for converting mechanical energy into hydraulic energy, a reservoir for storing hydraulic fluid, and associated control components such as pressure relief valves and directional control valves. Hydraulic power supplies are available in various configurations and capacities to accommodate a wide range of applications, offering a reliable source of hydraulic power for diverse industrial, mobile, and marine environments.