Large excavator FR480E2-HD

crawlerTier 3diesel

On the premise of ensuring static digging force, LOVOL dedicate to research of dynamic digging force. The system will automatically detect the pressure when face big frustration during digging, and automatically adjust output pressure to keep the powerful force in digging process. Advanced Technology First-user of function-relief cushion valve system in industry, machine’s respond could keep the same speed even in the extreme cold weather. On the premise of keeping the optimal impact pressure, the starting or switching of working device without any postpone, that makes smooth, efficient and energy-saving operation of machine and reaches to leading level of industry. Powerful Engine The new generation of CUMMINS QSM11 engine originally imported from America which is specially designed for mining applications. Its exclusive PT fuel control and injection technology delivers higher precise and full efficient traits compared to traditional electric controlled high-pressure common rail technology. Electric Control Positive Flow System During the design stage, LOVOL has utilized the latest technologies to develop an integrated hydraulic system. The positive flow control system adjusts the displacement of pump and the motion of valve spool simultaneously, delivering optimal operating experience for the operator with smooth and responsive control. Superb Match Each component in powertrain system, such as engine, gear, rotary motor, working pumps and hydraulic cylinder are specially customized to achieve perfect match with one another, the whole system features are more reliable.