A hydraulic hand pump converts human power into a pressure-and-flow combination that creates hydraulic energy. Hydraulic fluid is provided directly under manually applied pressure and is based on the straightforward idea that a handle gives an internal piston leverage.

Hydraulic jacks are extremely useful mechanical devices which are employed to lift heavy loads up. Using hydraulics, these jacks are able to afford greater lift over larger distances. Hydraulic jacks are commonly utilized in the automotive, industrial and construction industries.

Heavyweights are raised mechanically using hydraulic jacks. They are referred to as a type of hydraulic car jack since they are frequently employed in the automotive industry to lift vehicles off the ground.

The hydraulic pump that powers a hydraulic system that lifts cylinders or pistons is powered primarily by electricity or human labour in a double acting high tonnage hollow jack. The two varieties of integral and separate double acting high tonnage hydraulic hollow jacks are available.