Doosan DH300-7 excavator This second-hand Doosan DH300-7 excavator has only been in operation for 10.8 hours since it left the factory and is almost in brand new condition. As a medium to large-sized excavator, it boasts outstanding performance and an extremely high cost-performance ratio, making it highly suitable for various earthwork projects, mining operations and other scenarios. "Power System: This aircraft is equipped with a high-performance six-cylinder turbocharged engine, which not only provides strong power output but also performs well in fuel economy. Even in harsh working environments, it can maintain a stable and reliable operating state. In addition, its advanced cooling system can effectively lower the engine temperature and extend its service life. "Hydraulic system: Advanced negative flow control technology (LSC) is adopted to ensure rapid and precise operational response. Whether it is excavation, loading or crushing operations, they can all be handled with ease. Meanwhile, the efficient combination of the hydraulic pump and motor further enhances the overall working efficiency of the machine and reduces energy consumption. ** Advantage: ** - ** Ultra-low usage time ** : With a working time of only 10.8 hours, t2025-12-11 21:28:26