In the field of engineering construction, the size of excavators is crucial. This not only affects the construction efficiency and quality of the project, but also the applicability and cost of the equipment.
First of all, the operating weight is one of the key indicators to distinguish the size of the excavator. Generally speaking, the operating weight of small excavators is usually less than 10 tons. They are small and flexible, suitable for working in narrow spaces, such as maintenance of urban streets, small construction sites or garden construction. For example, the Kubota U15-3S small excavator has an operating weight of only about 1.75 tons, which can easily shuttle through narrow areas and complete delicate excavation tasks. The operating weight of medium-sized excavators is between 10 tons and 30 tons, with strong versatility, and can play an important role in medium-sized projects, such as road construction, medium-sized construction projects, etc. The operating weight of large excavators is more than 30 tons, with strong excavation and carrying capacity, and is mainly used in large projects such as large earthworks and mining. Large excavators like the Caterpillar 395 can weigh about 95 tons. Their huge size and powerful power can work efficiently in large projects.
Secondly, bucket capacity is also an important parameter for measuring the size of an excavator. The bucket capacity of a small excavator is generally less than 0.1 cubic meters, and the amount of earth excavated each time is small, but it is sufficient for small projects. The bucket capacity of the Komatsu PC01-1 micro excavator is about 0.008 cubic meters, which is suitable for small gardening and indoor demolition. The bucket capacity of a medium-sized excavator is between 0.1 cubic meters and 1 cubic meter, which can meet the needs of medium-sized projects. The bucket capacity of a large excavator is more than 1 cubic meter. The bucket capacity of the Liebherr R9800 giant excavator can reach 42 cubic meters, which can quickly excavate a large amount of earth in large mines.
Furthermore, the size of the engine power also reflects the size of the excavator. The engine power of small excavators is usually below 50 horsepower. The engine power of Yuchai YC13-8 small excavator is about 13 horsepower, which is mainly used for small projects and farmland operations. The engine power of medium-sized excavators is between 50 horsepower and 200 horsepower, which is relatively sufficient. The engine power of large excavators is above 200 horsepower. The engine power of Caterpillar 6090 FS super-large excavator is as high as 4,500 horsepower. It is one of the largest excavators in the world and provides powerful power for the mining of large open-pit mines.
For second-hand dealers, it is of great significance to accurately distinguish the size of excavators. When acquiring second-hand excavators, second-hand dealers need to comprehensively consider factors such as the size, brand, model, age, and working hours of the excavator and conduct a comprehensive evaluation. For excavators of different sizes, their market demand and value are also different. For example, small excavators are often favored by small engineering contractors and individual users in the second-hand market due to their flexibility and wide applicability. Second-hand dealers need to carefully check the performance and condition of small excavators to ensure that they can meet the needs of customers. For medium and large excavators, second-hand dealers need to pay more attention to the wear and tear of their key components and the maintenance history to determine their residual value and reliability.
When selling second-hand excavators, second-hand dealers should provide customers with detailed information such as the size, performance, and characteristics of the excavator. Help customers choose an excavator of the right size according to their engineering needs. At the same time, second-hand dealers can also provide excavators of different sizes for customers to compare and choose to meet the diverse needs of customers. In addition, second-hand dealers can also provide customers with after-sales services, such as equipment repair, maintenance, and spare parts supply, to ensure that customers can use it smoothly after purchasing a second-hand excavator.
In short, the size of the excavator can be distinguished by operating weight, bucket capacity, engine power, and other aspects. Understanding these distinction methods is of great significance for the selection and use of excavators. Second-hand dealers accurately evaluate and introduce excavators of different sizes during the transaction process of the excavator, provide customers with better services and support, and promote the healthy development of the second-hand excavator market.