To run version 1.39 smoothly, players should meet the following official hardware specifications : ETS2: Update 1.39 - The Truck Simulator Wiki
This update revolutionized heavy hauling. Version 1.39 introduced fully ownable low-bed and low-loader trailers, including the high-tech extendable versions, allowing players to transport massive industrial equipment with their own gear. To run version 1
Players using v1.39 repacks cannot access the Steam Workshop, official multiplayer (TruckersMP), or the frequent updates that keep the game optimized for modern hardware. The Value of Official Versions To run version 1.39 smoothly