"Second-hand Doosan 225-7 excavator This second-hand Doosan 225-7 excavator is a highly praised medium-sized excavator in the market. It boasts outstanding performance and durability. Since its first use, the total working time has been only 3,000 hours. The overall condition is good, the appearance is clean without obvious damage, and the mechanical parts operate stably, almost indistinguishable from a new car. It is highly suitable for engineering projects that require efficient and reliable construction equipment. In terms of the power system, this excavator is equipped with a high-performance engine independently developed by Doosan. It not only has strong power but also excellent fuel economy, effectively reducing operating costs. Its unique cooling system design ensures stable performance output even in high-temperature environments, guaranteeing that long-term operation is not affected. In addition, the advanced electronic control system makes the operation more convenient and intuitive, enabling both beginners and experienced veterans to quickly get started. The hydraulic system adopts the latest technology, featuring a fast response speed, smooth and precise movements, which greatly enhances work efficiency. It is particula2025-12-16 09:10:20