【 Original condition of Doosan 300-7 This second-hand Doosan 300-7 excavator is one of the most favored medium and large-sized excavators in the market. It features outstanding working performance and excellent durability, making it highly suitable for various engineering operations. The total working time of this equipment is 6,000 hours, which is in the golden stage of the mechanical life cycle. It not only ensures the maturity of the machinery but also leaves sufficient service life. In terms of the power system, this Doosan 300-7 is equipped with a powerful and reliable heart - a high-performance diesel engine, with a maximum output power of up to 202kW (approximately 272 horsepower). It not only can easily handle the excavation demands under heavy-load conditions but also has excellent fuel economy, significantly reducing operating costs. In addition, advanced electronic control technology makes the engine run more smoothly and efficiently, reducing the frequency of maintenance. The hydraulic system adopts the latest load sensing technology and multi-level pressure control strategy, ensuring that the entire machine can maintain the best working efficiency under different working conditions. Whether it is meticulous operation or2025-12-16 13:48:37