This second-hand Sumitomo 210 excavator was purchased in 2019 and has been in use for approximately four years up to now. The total working hours are 3,500 hours, which is relatively young among similar equipment, indicating that it still has a long service life and good mechanical condition. In terms of the power system, this excavator is equipped with an efficient Cummins engine, providing strong power output and smooth running performance. This engine not only features excellent fuel economy but also maintains stable power output under various working conditions, ensuring efficient operation. In addition, its low-noise design also makes the operating environment more comfortable. The hydraulic system is a major highlight of the Sumitomo 210. It adopts an advanced negative flow control system, which can automatically adjust the oil volume according to the actual load, thereby improving work efficiency and reducing energy loss. This intelligent design not only enhances the excavation efficiency but also effectively reduces maintenance costs. In addition, the main pump and control valve of this excavator are all imported high-quality components, ensuring the reliability and durability of the entire system. In conclusion, this second2025-12-04 10:48:22