In the late 1950s, the increasing transport of powdery materials, particularly cement, created a demand for new silo wagons. These wagons, owned by cement and lime manufacturers, were used to transport bulk goods and became part of the CSD fleet as "P" wagons, which stood for private wagons.
The growing demand for transporting powdery materials, particularly cement, in the late 1950s created a need for new silo wagons. These wagons, designed for bulk transport, were owned by cement and lime manufacturers and registered in the CSD fleet as P wagons, or private wagons.
Rostoucí přeprava práškových materiálů na konci 50. let, zejména cementu, vedla k nutnosti nákupu nových silovozů. Vozy, které vlastnili výrobci cementu a vápna, sloužily k přepravě sypkých materiálů a poté byly začleněny do vozového parku ČSD jako P-vozy, tedy soukromé vozy.
