Hydraulic tanks, also known as reservoirs, are essential components of hydraulic systems that store hydraulic fluid and provide a constant supply of fluid to the system. They are typically made of materials such as steel, aluminum, or plastic and come in a variety of sizes and configurations, depending on the specific application and requirements of the hydraulic system. Hydraulic tanks are designed to maintain a proper fluid level and prevent air from entering the system, which can cause cavitation and other performance issues. They also help to dissipate heat generated by the hydraulic system, which can prolong the life of the hydraulic components. Proper maintenance and regular inspection of hydraulic tanks are crucial to ensure optimal performance and longevity of hydraulic systems. This includes checking fluid levels, inspecting for leaks or damage, and ensuring proper ventilation to prevent the buildup of pressure or heat within the tank.