When using two trailers with short platforms for the transportation of bulky devices, they are equipped with rotary saddlers or special support racks. This design was used in the transportation of coke cameras with a diameter of 4.5 m, 27 m long, weighing 80 tons in Volgograd and Krasnovodsk. The device sagged between two trailers located in front and back, providing a minimum loading height.
