You will be completely locked out of the official Convoy multiplayer mode and the external TruckersMP servers.
were updated specifically for 1.39 to support the new trailer types. Where to Buy
The safest and most efficient way to access version 1.39 with all official DLCs is through Steam's built-in version rollback system. This is ideal for players who want to use specific older mods that are not compatible with newer versions of the game. Navigate to your games library.
: Opens up Lithuania, Latvia, Estonia, western Russia, and southern Finland.
: Opens up Lithuania, Latvia, Estonia, western Russia, and southern Finland.