The types and characteristics of excavators include:

Crawler excavator: A crawler excavator is a type of excavator that uses tracks as a mobile medium to adapt to complex terrain working environments. It has high earthwork and mobility capabilities and is suitable for large-scale earthworks and mining operations.

Wheeled excavator: A wheeled excavator is a type of excavator that uses tires as a mobile tool, making it easy to move over short distances and quickly transfer from the work site. It is suitable for urban construction and infrastructure development.

Large excavators: Large excavators typically weigh over 50 tons, have a deep excavation depth and strong force, and are suitable for large-scale earthworks and mining operations.

Small excavator: A small excavator is a type of excavator weighing less than 3 tons, which is easy to transfer and operate flexibly in a limited workspace and is suitable for urban construction and small earthworks.

Dual use excavator: Dual use excavator, also known as multifunctional excavator, has dual functions of bulldozer and excavator, suitable for earthwork and road construction.

Water excavator: A water excavator is a type of excavator with water operation functions, suitable for fields such as river mud cleaning, port construction, and water conservancy facility construction.