【 Premium Recommendation 】 A second-hand Doosan DH55-7 excavator from 2014, in excellent condition. The entire vehicle is painted in its original state without any alterations. The three components (engine, pump, and valve) have not been touched. It is well maintained and has stable performance. This excavator has only worked for 3,500 hours. Compared with machines of the same age, this usage time is very short, which means that its service life is still very long and it has an extremely high cost performance. In terms of the power system, the Yanmar 4TNV98-Z engine, which has been well-tested in the market, is adopted. This engine is renowned for its high efficiency and energy conservation, capable of providing strong power output while maintaining a low fuel consumption level. Whether it is flat ground excavation or slope operation, it can handle it with ease, ensuring construction efficiency while reducing operating costs. The hydraulic system is Doosan's consistent high-quality configuration. It adopts advanced negative flow control technology, ensuring smooth and precise operation, fast response speed, and significantly improving work efficiency. In addition, this system also features excellent durability and reliability, reduci2025-12-18 07:42:06