1. price advantage: compared with the new machine, the price of used excavators is cheaper, which can help users save a lot of capital investment.

2. a variety of options: the market has a variety of different models, brands of used excavators to choose from, the user can according to their own needs and budget to choose the most suitable model.

3. Fast delivery: Used excavators are usually in stock and can be delivered quickly, eliminating the need to wait for the production of new machines.

4. mature technology: used excavators after a certain period of time, its technical performance and reliability has been verified, users can be more assured of purchase and use.

5. Supporting services: Used excavator sellers usually provide certain after-sales service, such as warranty, maintenance, etc., to help users solve problems in the process of use.

6. Reliability assessment: Used excavator sellers usually conduct comprehensive testing and assessment of used excavators to ensure that the quality and performance of the machine meets certain standards, reducing the risk of users to buy.

Overall, the advantages of used excavator sales lie in low price, variety of choices, fast delivery, mature technology, perfect supporting services, etc., which can meet the different needs and budgets of users.