SC220.8 excavator with prolonged working device: bucket capacity is 0.35m³.Working device is 18 meters long which greatly expands the activity range of digging and achieves the range of higher, deeper, farther, in particular adapts to mine, dock, storage, flood operations and special occasions. SC220.8 is a major breakthrough in mining machinery transformation and it has great practical value.

          The instruction of prolonged working device: the arm and boom of the excavator with prolonged working device is 15 meters, and the bucket capacity is 0.4m³. Based on the market research and technical demonstration, the structural strength, performance and quality are guaranteed from the material selection, technology, and design. The boom has the interior cushion plate, which can bear the load, extending the service life of the excavator. The machine is mainly applicable to river dredging, slope grading, soil foundation and trench digging.