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When it comes to construction projects, efficiency and cost control are always top priorities. Many contractors, especially small and medium-sized ones, prefer buying a used Caterpillar excavator instead of a brand-new machine. Why? Because Caterpillar excavators are known for their durability, reli

Excavators of different tonnages have different applicability in different work scenarios. According to factors such as the space of the work site, the operating requirements, and the excavation depth,choosing the right tonnage can improve work efficiency and safety. The following are typical workin