【 Premium Recommendation 】 Sany SY550 Large Excavator of 2012, the king of Cost performance! This 2012 Sany SY550 large excavator is a rare second-hand excavator with high cost performance in the market. It features outstanding working performance and an extremely long service life, with a total working time of only 3,800 hours, which is half of the service life of similar equipment. The vehicle is in excellent condition with almost no wear and tear, fully meeting your demands for high efficiency and durability. In terms of the power system, this machine is equipped with an original imported Cummins QSM11-C engine, with a rated power of up to 368kW at 1800rpm. It is powerful, stable and reliable. Whether facing complex terrains or high-intensity working environments, it can handle them with ease. In addition, this engine features low fuel consumption and low emissions, meeting the National III emission standards. It is not only environmentally friendly and energy-saving but also has lower maintenance costs. The hydraulic system adopts advanced negative flow control technology, ensuring smooth operation of the entire machine, rapid response, large digging force and high efficiency. Both the main pump and the main valve are from world2025-12-07 10:41:34