【 Sumitomo 120-3 Second-hand Excavator This second-hand Sumitomo 120-3 excavator has a cumulative working time of only 4,500 hours since it was put into use, which is in a moderately low usage state, and its overall performance remains good. As a medium-sized excavator, it is renowned for its outstanding stability and high working efficiency, and has performed outstandingly in multiple fields such as construction sites, mining, and municipal engineering. In terms of the power system, this machine is equipped with a high-quality Cummins engine, which features strong power output and smooth operation characteristics. Even in complex and changeable working environments, it can handle them with ease. More importantly, this engine also has good fuel economy and can effectively reduce operating costs. The hydraulic system is a major highlight of the Sumitomo 120-3. It adopts advanced negative flow control technology, making the operation more precise and smooth, and the response speed faster. Whether it is excavation, loading or crushing operations, it can provide sufficient force support, ensuring both work efficiency and construction quality. In addition, its unique cooling system design can effectively extend the service life of hydrau2025-12-07 17:02:58