Catterpillar is the world`s leading manufacturer and exporter of construction and mining equipment, diesel and natural gas engines and industrial gas turbines. Catterpillar presents 527 track skidder. The cat 527 skidder is available in both cable and grapple configurations. The 527 can work in difficult terrain with minimal ground disturbance. The 527 track skidder is able to work in soft, wet and steep terrain.