The cost of major repairs to the Cat excavator varies according to a variety of factors, such as the specific type of excavator, the number of hours worked, the level of maintenance and the original or sub-plant of the fittings.In general, for a common type of excavator, Cat 320D, the cost may vary from tens of thousands to hundreds of thousands of dollars if a complete overhaul is required, including the replacement of core components such as engines, hydraulic systems, structural elements, etc.Specific amounts are also subject to detailed assessment with a professional Cat excavator maintenance service provider.It is recommended that you provide detailed information on the equipment so that the maintenance provider can provide you with a precise offer based on the actual situation.At the same time, the selection of a formal and experienced service provider not only ensures the quality of major repairs, but also controls maintenance costs to some extent and avoids unnecessary expenditure.In general, the Cat excavator overhaul is a work involving professional assessment and technical operations, with transparent and reasonable prices being the focus of attention by each excavator owner.Therefore, when considering the cost of major repairs to the Cat excavator, it is important to take into full account factors such as the professionalism of the service, the quality of the spare parts and the maintenance policy.In summary, there is no fixed answer to the question of how much the Cat excavator has done. The key is to identify specific maintenance content and use high-quality spare parts to ensure that the excavator is able to return to good working condition after major repairs and to extend its useful life.