Small Carter excavator is a widely praised construction machinery and equipment in the industry, and its models are rich and diverse to meet the needs of different engineering operations. At present, in the market, small Carter excavators are mainly divided into four categories: mini, small, medium and large, including but not limited to: mini excavators such as CAT 301.5, CAT 301.8, small excavators such as CAT 303E CR, CAT 305.5E2 CR, medium excavators such as CAT 313D2 L, CAT 320 GC, large excavators cover CAT 349 D2 XE, CAT 390F, etc. Each model of the Little Carter excavator is designed for high performance, low fuel consumption and excellent operational performance, providing a strong support force for a wide range of engineering projects. When purchasing or leasing a small Carter excavator, users should carefully compare the characteristics and parameters of each type of excavator according to their own construction environment, earthwork volume, operation efficiency and other factors, so as to select the most suitable model of small Carter excavator. Through in-depth study of the various models and characteristics of the small Carter excavator, it is not difficult to see that the small Carter brand has always adhered to the principle of quality first, committed to continuous innovation and improvement, to ensure the excellent performance and durability of each product, which is also an important reason why the small Carter excavator can win the favor of many users around the world. In summary, the small Carter excavator has established a good reputation in the industry with its diversified product line and excellent performance, and continues to develop new models to adapt to the changing market demand.