The original hydraulic control block of XCMG material number 803002248 is the core hydraulic component specially developed for the QUY80E crawler crane, which is responsible for accurately regulating the hydraulic oil flow and pressure of key movements such as luffing, curling, and turning of the crane arm. As an original customized part, its internal oil circuit design, valve core response speed and sealing performance are deeply matched with the hydraulic system of the QUY80E host to ensure the stability and control accuracy of the equipment under heavy load conditions.





