Special transport vehicle STS-7 is designed for transportation of power transmission towers mounts and other long loads. It is also possible to use a semi-trailer for light weight loads transportation.

Transport vehicle can be aggregated with wheeled tractors of class 1.4-2.0, equipped with a drawbar device TSU-2 (hydraulic hook), a pneumatic brake drive, a socket for connecting light-signal electrical equipment.

Transport vehicle consists of the following structural elements:

• platforms with folding boards;

• balancing trolley;

• trolley with a drawbar;

• brake system with a pneumatic drive of the balancing trolley wheels;

• parking brake with a mechanical drive;

• ligh-signal equipment.