As a world-renowned construction machinery brand, Caterpillar excavators have a rich and diverse product line to meet the application needs of different fields. In the Caterpillar excavator series, we can roughly divide it into four categories: mini excavators, small excavators, medium excavators and large excavators. Mini excavators are suitable for working in tight spaces and have high flexibility, small excavators are widely used in municipal engineering, landscaping and other projects, medium excavators have shown excellent performance and efficiency in earthworks, and large excavators are mainly used in heavy construction scenarios such as mining and large-scale infrastructure projects. Each category contains multiple models to adapt to different working conditions and individual customer needs. For a more accurate understanding of the exact number of Caterpillar excavators, we can obtain detailed information by consulting the latest official product catalogs or contacting an authorized Caterpillar dealer. Caterpillar excavators have earned widespread praise and favor in the global market for their durability, high performance and cost-effectiveness. Overall, Caterpillar excavators have a wide range of excavators and comprehensive coverage, no matter what size or purpose you need, you can find a satisfactory choice in Caterpillar's product lineup. Please note that regarding the question of "how many types of Caterpillar excavators are there", due to the frequent iteration and update of the product, the specific number of types may change, it is recommended to consult the official directly for the latest data.