As a heavy-duty construction machinery, the CAT 120-ton excavator has wide applications in fields such as construction and mining. Its price is mainly determined by factors such as configuration, age, and market supply and demand. Generally, the market price range for a brand-new CAT 120-ton excavator may vary from millions to tens of millions. For specific pricing, it's advisable to contact authorized dealers. When purchasing used equipment, it's essential to thoroughly understand and assess the overall performance, operating hours, and maintenance condition to ensure cost-effectiveness. For enterprises or individuals intending to purchase a 120-ton CAT excavator, besides considering the price, it's also crucial to evaluate the manufacturer's after-sales services, spare parts availability, as well as the equipment's energy-saving and work efficiency. It's recommended to conduct comprehensive research and comparisons before making a decision. In conclusion, to find out the specific price of a 120-ton CAT excavator, directly asking authorized dealers or checking relevant industry trading platforms is an effective way to obtain genuine pricing information.