If you decide you want the latest features, you can simply opt out of the Steam beta and download version 1.50+ for free. That is the beauty of owning the game legally.
| Problem | Solution | | :--- | :--- | | | Verify that you own the Idaho DLC. If you do, go to Steam → Properties → Local Files → Verify integrity. | | Western Star 49X missing from dealers | Ensure no truck mods are conflicting. Disable older truck mods. The 49X is standard in 1.39. Visit the "Kenworth" dealer to find it. | | "Incompatible save file" error | You are trying to load a save from version 1.40 or higher. Start a new profile for 1.39. | | Multiplayer (TruckersMP) doesn't work | TruckersMP requires the latest version of ATS (usually 1.48+). You cannot play on official TruckersMP with 1.39. You need a private Convoy session. | | Steam keeps auto-updating to 1.40 | Set the beta to "temporary_1_39" and in Steam Settings → Downloads → Disable "Auto-update" for that specific game. | american truck simulator 139 download full
: From the dropdown menu titled "Beta Participation," look for an entry like temporary_1.39 - 1.39 for incompatible mods Automatic Update If you decide you want the latest features,
This was the headline feature. Version 1.39 marked the official debut of the Western Star 49X, a rugged, heavy-duty truck perfect for heavy hauling and logging. This truck came with multiple chassis options (6x4, 8x4, 8x6) and unique tuning packs. If you do, go to Steam → Properties