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The hydraulic system is one of the core components of the backhoe loader, which is used to achieve various hydraulic transmission and control functions. It includes hydraulic pumps, hydraulic cylinders, hydraulic valves and other components of the hydraulic components, as well as hydraulic tanks, oil pipes, filters and other auxiliary equipment. 1.-- The output pressure of a backhoe loader hydraulic pump is determined by the load. The greater the load, the greater the output pressure. A safety valve limits the maximum pressure. 2.-- The volume of hydraulic fluid discharged by the hydraulic pump per revolution is called the displacement. Pumps with non-variable displacement are called quantitative pumps, and pumps with variable displacement are called variable pumps.
