This is the worlds number one mining suspension seat. The ActiveVRS toggle link suspension system is engineered not only for severe duty but also by far the smoothest and best in class ride use in mining dump trucks, articulated dump trucks, dozers, graders and wheel loaders in the construction industry. Contoured steel seat and back pans, a high backrest and ergonomic contoured comfort cushions make this seat one of a kind in comfort. Sears is proud to provide the perfect seating solution for a wide variety of vehicles in the agricultural, construction, material handling and off-road industries. With the latest testing equipment in our state-of-the-art ComfortLab we are proud to produce ergonomic, correctly contoured, healthy seats for a wide range of applications.