Hydraulic transmission systems are essential in various industries, offering efficient power transmission through fluids. These systems work by using pressurized liquid to transfer energy from one point to another. The core components include pumps, valves, actuators, and reservoirs. The pump generates pressure, pushing the fluid through tubes or pipes, while valves control the flow direction and speed. Actuators convert hydraulic energy into mechanical motion, enabling machinery to perform tasks like lifting, rotating, or pressing. Reservoirs store the fluid and help maintain its temperature. One major advantage of hydraulic systems is their ability to provide high force with precise control. For instance, excavators rely on hydraulics for digging and moving heavy loads. However, regular maintenance is crucial to prevent leaks and ensure smooth operation. By optimizing these systems, industries can achieve greater efficiency and sustainability ????.