Case IH can boast the strongest tractor produced in series. It is a model Quadtrac 620. The strongest series Steiger / Quadtrac wheeled tractors come and for tracked . The models achieve maximum power from 411 to 692 hp . Quadtrac models have 4 independent tracks and the construction of an articulated by which are non-refundable and do not destroy the soil structure .
Transportation of airplanes, tractors, containers, tanks, bulldozers and railway carriage by