All vehicles are equipped with self-propelled screw compressors, which serve to empty the silo with an air-cooling refrigerator. The latter is particularly suitable for emptying soluble materials, as without this device, the air reaches temperatures up to 150 °C.
Trailers are silo dumper trucks, with a capacity of 60 m3. They are all of a newer manufacture. The loading can be done either a free fall from the upper side through the openings of Ф 450 mm or pneumatic, from the upper side through the fire hose fittings of type A, 100 mm in size.