Special transport vehicle for rolls transportation STS-12 is designed for flax, hay and straw rolls from the field to warehouses for storage. It is also possible to use a semi-trailer for light weight loads transportation.

Transport vehicle consists of the following structural elements: platform; fixed front and rear boards; folding side boards pivotally connected to the platform, opening with hydraulic cylinders; a running system consisting of a front trolley and a rear balancing trolley on pneumatic tires; trailing device (snits) fixed in height by an adjustable spring.

Transport vehicle is equipped with pneumatic brakes and a parking brake with a mechanical drive.

Transport vehicle can be aggregated with wheel tractors of class 2.0-3.0 equipped with a drawbar device TSU-2 (hydraulic hook), pneumatic brake drive, a socket for connecting light-signal electrical equipment.