The SH380-9 hydraulic excavator is equipped with an original imported Isuzu engine of international renown, boasting excellent performance, energy conservation, environmental protection and convenient maintenance. It uses an original imported Linde hydraulic system of international first-class quality, which is load-sensitive, has good control coordination, smooth actions and comfortable operation. It has higher efficiency and better economic performance, and can achieve a greater workload under unit fuel consumption. The main valve is internally equipped with a back pressure valve and a relief valve, making the pipeline simpler and the layout more reasonable. It is equipped with an electrical control system: a dot matrix multi-functional large-screen color liquid crystal display can monitor the running status of the machine in real time, and has the functions of fault self-diagnosis and recording. The electronically controlled throttle always takes fuel economy into account, ensuring that the whole machine can obtain the maximum efficiency when operating in various working sites. It provides a variety of operation modes for users to choose from to meet different working conditions.