【 Premium Recommendation 】 Sany SY550 Large Excavator in 2022 This Sany SY550 large excavator, which was manufactured in 2022, has a working time of only 1,000 hours and can almost be said to be in a nearly new condition. It is equipped with an original imported Cummins QSL9-C325 engine, with a rated power of 240kW at 1800rpm, which is powerful, stable and reliable. This engine features outstanding fuel economy and low emission performance. It not only meets the National IV emission standards but also maintains good power output and smooth operation even under long-term high-intensity work. In terms of the hydraulic system, this machine is equipped with an advanced Kawasaki KPM series main pump and motor combination, ensuring efficient and precise motion control. Both the excavation force and the rotation speed perform outstandingly. Especially when working in complex terrains or hard soil layers, its excellent excavation capacity and stability have received unanimous praise from users. In addition, the intelligent control system can automatically adjust the flow distribution according to the actual working conditions, further improving work efficiency and reducing energy consumption. As a high-end model, the Sany SY550 also feature2025-12-12 16:59:08