【 Premium Recommendation 】 Doosan 300-7 second-hand excavator. This is a device with outstanding performance and excellent condition. Since it was put into use, it has maintained a good working state. As of now, the cumulative working time of this excavator has reached 6,500 hours, which is far lower than the average service life of similar equipment. This indicates that it still has a long service life and extremely high cost performance. In terms of the power system, the Doosan 300-7 is equipped with a high-performance engine, which not only has strong power but also good fuel economy, and can easily handle the operation requirements under various complex working conditions. Whether it is digging hard soil layers or conducting precise operations, it can perform outstandingly, ensuring construction efficiency while also reducing operating costs. The hydraulic system is a major highlight of this excavator. It adopts advanced closed center load sensing hydraulic technology, which makes the entire system respond faster and control more precisely. In actual operation, users can clearly feel its smoothness and stability. Even when working continuously for a long time, they will not feel tired. In addition, this hydraulic system also feat2025-12-19 06:21:42