Cat320 excavators as a high-profile piece of heavy machinery, the design and quantity of the chain-orbiting component of which is the focus of attention of many engineers and potential buyers.Cat320 excavators are equipped with two high-quality, durable chains that not only ensure the stability and mobility of equipment in complex terrain, but are also designed to effectively spread load weights and reduce ground pressure, thereby increasing operational efficiency and reducing damage to the working environment.Each chain track consists of components such as multiple chain panels, chains and wheels, a unique structural design that allows Cat320 excavators to demonstrate excellent performance and long working life in practice.So, to be precise, the Cat320 excavator has two complete chains.For any specific technical parameters related to Cat320 or replacement maintenance, users should refer to official details or consulting professional service teams to obtain accurate information.In conclusion, the Cat320 excavator, with the reliability and excellence of its two-chained system, has demonstrated the expertise and technological innovation of the Caterpillar brand in the field of engineering and machinery.