【 Doosan 300-7 Second-hand Excavator Dear customers, it's time for you to seize the opportunity! We are currently selling a second-hand Doosan 300-7 excavator with outstanding performance and extremely high cost performance. This machine is particularly suitable for foreign trade exports. Whether it is used in domestic engineering projects or overseas markets, it can demonstrate its strong adaptability and reliability. ** Working hours: ** The cumulative working time of this machine is approximately 2,500 hours, which indicates that it is still in the golden period of its mechanical life cycle. For such a durable device, such a usage period not only ensures its good condition but also means that it still has a long service life waiting for its new owner to discover. "Power System: The Doosan 300-7 is equipped with a powerful heart - an efficient and energy-saving diesel engine, which can provide abundant and stable power output. It can maintain excellent operational efficiency and stability even in harsh working environments, ensuring high efficiency and safety during the operation process. "Hydraulic system: The adoption of advanced negative flow control technology enables the entire hydraulic system to respond quickly and operate2025-12-03 14:04:48