The dump tractor trailer 2PTS-4,5 is designed for transportation of various agricultural goods, organic fertilizers with a bulk weight up to 1600 kg/m3 (2PTS-4,5A) and up to 400 kg/m3 (2PTS-4,5A-1, 2PTS-4,5A-2) with unloading back and on two lateral sides. The use of the trailer 2PTS-4,5 is possible in all soli-climatic zones, except mountainous. The trailer 2PTS-4,5 is biaxial on tires of type 9.00-16 and equipped with pneumatic brakes. It is possible to use a trailer for transportation of various goods with a small bulk weight up to 0,4 m. (silage, green mass, cotton, etc.). For this, in accordance with the request of consumers, the trailer can be equipped with additional extension boards (1 - mesh boards, 2 - all-metal boards). The trailer 2PTS-4,5 is unloaded using one hydraulic cylinder located in the center of the trailer's cargo platform. The choice of the side of unloading is made by manual unzipping of the corresponding clamps connecting the cargo platform to the trailer frame.