【 Premium Recommendation 】 Sany SY55 Excavator of 2021, Speed in seconds! This 2021 Sany SY55 excavator is one of the high-quality second-hand devices that have recently arrived in our market. Since its commissioning, the cumulative working time has been only 1,200 hours, which is equivalent to half the usage rate of a new car. The mechanical performance is stable and in excellent condition, fully meeting the requirements of various working conditions. In terms of the power system, it adopts the high-efficiency and energy-saving engine independently developed by Sany Heavy Industry, combined with advanced electronic fuel injection technology. It not only has strong power and quick response, but also has the lowest fuel consumption among similar products, significantly reducing operating costs. More importantly, this engine has undergone rigorous testing and optimization, and still performs well under long-term high-load operation, ensuring construction efficiency and reliability. The hydraulic system is another highlight of this machine. It adopts the main pump and control valve group provided by internationally renowned brands, ensuring smooth operation and high precision of the entire machine. Both the digging force and the rotati2025-12-06 10:38:37