The portable crawler crushing & screening plant has six main advantages: 1) It can easily shift to places that are difficult to access on both smooth and bumpy roads. 2) It has a compact and simple design that saves space and can operate without external power. 3) It reduces transportation costs by crushing materials on site. 4) It has wide job applications from private use to working with other units. 5) It has good performance and convenient maintenance as components are from the same manufacturer. 6) It can be flexibly arranged in different configurations depending on site needs.