What is the purpose of the hydraulic system in an excavator?

The hydraulic system in an excavator is primarily responsible for powering the movements and attachments of the machine. It uses hydraulic fluid to transmit force and enable various functions such as lifting, digging, and grappling, which are essential for the equipment's operation. The design of hydraulic systems allows for a compact power source that can efficiently generate high levels of force, enabling the excavator’s boom, arm, and bucket to perform heavy lifting and precise maneuvers.

The hydraulic system achieves this by using pumps that create pressure in the hydraulic fluid. As the fluid is directed to various cylinders and actuators, it causes components to move, allowing the operator to control the excavator’s movements accurately. This precision and power are what make hydraulic systems invaluable in heavy equipment operations like excavation.