"Sany Heavy Industry Second-hand Excavator Recommendation We currently have a batch of high-quality second-hand excavators from Sany Heavy Industry, including models 245, 305, 365, 375, 485 and 550. All these devices have undergone strict testing and maintenance to ensure stable and reliable performance. The working hours of this batch of excavators range from 1,000 to 5,000 hours, depending on different models and usage conditions. Generally speaking, they are all in good condition and suitable for various construction needs. "Power System All models are equipped with highly efficient and energy-saving engines, which not only have strong power but also good fuel economy, and can meet the requirements of long-term continuous operation. Among them, models 245 and 305 are equipped with imported brand engines, featuring low noise and low emissions. Larger tonnages such as 365, 375, and even 485 and 550 have adopted professional-grade power units that are more durable and adaptable to harsh environmental conditions. "Hydraulic System In terms of the hydraulic system, advanced negative flow control technology has been adopted, ensuring smooth and fluid operation while significantly enhancing work efficiency. In addition, special protecti2025-12-22 11:00:27