【 Premium Recommendation 】 A 20-year-old second-hand Caterpillar 307E excavator with a total working time of 4,900 hours. This is a well-maintained and high-performance device. As one of the world's leading manufacturers of construction machinery, Caterpillar is renowned for the durability and efficiency of its products, and this 307E is a prime example among them. "Power System This machine is equipped with an original imported Caterpillar C2.4 engine, with a maximum output power of up to 40.4 kilowatts (approximately 54 horsepower). While providing strong power, it can also maintain a relatively low fuel consumption level. Even in harsh working environments, it can ensure long-term stable operation and is highly suitable for various earthwork projects, municipal construction and other scenarios. "Hydraulic System Advanced load-sensing hydraulic technology is adopted to ensure flexible and precise operation and prompt response. Whether it is excavation, loading or crushing operations, they can all be handled with ease. In addition, the optimized hydraulic circuit design makes the entire system more energy-efficient and efficient, reducing long-term operating costs. 【 Advantages and Highlights - Low hours: For a machine that has bee2025-12-15 12:53:16