Packaged hydraulic power units that integrate hydraulic pumps, tanks, filters, coolers, control valves and other components that serve as power sources for hydraulic systems. These are complete units that supply hydraulic pressure required for hydraulic drive systems in press machines, injection molding machines, machine tools, construction machinery and similar equipment. Products include electric motor-driven, engine-driven, and manual drive types, as well as standard units and custom units classified by pressure and flow specifications. Unlike individual hydraulic pumps or hydraulic valves, only complete hydraulic supply systems that function as integrated systems are classified, clearly distinguished from actuating equipment such as hydraulic cylinders and actuators.