This high-end Caterpillar 320 excavator produced in March 2021 is a very popular medium-sized excavator in the market. It is equipped with a powerful 6-cylinder engine, which is powerful and stable in operation, and can easily handle various complex working environments. The actual working time of this machine is only 4,500 hours. For such a high-quality excavator, this usage period is still quite young, indicating that its main components and systems are in good condition. In terms of power, this 320 model is equipped with an advanced electronic control system, which has greatly improved fuel efficiency, reduced emissions and made it more environmentally friendly and energy-saving. Its hydraulic system adopts the technology independently developed by Caterpillar, featuring a fast response speed and high operational accuracy. It performs exceptionally well in both excavation and loading operations. More importantly, the original vehicle chain has not undergone any modifications or replacements and remains in the best condition as it was at the factory. This is of great significance for ensuring the long-term stable operation of the equipment. In addition, we conducted a comprehensive inspection of this excavator and personally test-d2025-12-12 19:48:19