The updated 706 series behind-the-seat suspension features redesigned spring and shock geometry to dramatically enhance functionality with reduced spring rate, increased durability and a lower SIP. Sears is proud to provide the perfect seating solution for a wide variety of vehicles in the agricultural, construction, material handling and on-highway 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.