A hydraulic excavator is a heavy machine that has various sizes, a hydraulic arm with a blade at the tip, designed to move on wheels or chains and also has the ability to rotate 360 ??degrees on its own axis. Among its functions are to excavate, rotate, move, load, mobilize and demobilize objects.

Hydraulic excavators work by allowing the driver to use levers to control the movement of the hydraulic fluid to push and move the cylinders that control the boom and bucket of an excavator.