The protection truck OV-2 is determined for protection of protruding end of the rotary conveyer of the working machine SZP-600. The wagon can be used as an attachment to working and sleeping train sets. In the machine SZP-600, it functions as a control vehicle when it is at the head of the machine. Workshop section provides space for material, tool, and maintenance equipment, spare parts, boxes, and barrels for fuel and oils.
Accommodation section provides space for the crew and is equipped with basic hygienic equipments (washbasin with water reservoir, WC), kitchenette, wardrobe for working cloths and protection facilities.