The content you are looking for is a that adds a driveable Nooteboom OSDS-48-03V semi-lowloader trailer to the game.
the file to your ETS2 mod folder: Documents \ Euro Truck Simulator 2 \ mod
The term "SAJÁTOTHATÓ" is Hungarian for meaning you can purchase this trailer in-game rather than just using it for freight market jobs. 🚛 Key Features