【 Premium Second-hand Doosan 300-9C Excavator 】 This Doosan 300-9C excavator was purchased as a first-hand vehicle in 2018. It has only been in use for 10,000 hours so far, and its overall performance remains in an excellent state. As a medium to large-sized excavator, it boasts outstanding digging force and stability, making it particularly suitable for construction needs under various complex working conditions. "Power System This machine is equipped with a high-performance Doosan engine, which is renowned for its efficiency and durability. While ensuring strong power output, it also features excellent fuel economy. Even after long-term and high-intensity operation, the engine still runs smoothly without obvious signs of wear, ensuring the long-term stable operation of the equipment. "Hydraulic System By adopting advanced negative flow control technology, the entire machine operates more flexibly and precisely, with a faster response speed. Whether it is meticulous excavation or rapid loading, it can be handled with ease. The hydraulic oil circuit layout is reasonable, and maintenance and upkeep are convenient and fast. After professional testing, all hydraulic components are in good working condition and no leakage has occurred. 2025-12-02 17:54:51