Catterpillar is the world`s leading manufacturer and exporter of construction and mining equipment, diesel and natural gas engines and industrial gas turbines. Catterpillar offers 797b mining truck. The 797b mining truck is engineered for performance, designed for comfort, and built to last. The 797b mining truck developed specifically for high production mining and construction applications, the 797b mining truck keeps material moving at high volume to lower your cost-per-ton. Easy maintenance procedures ensure high reliability and long life with low operating costs.