Download File American Truck — Simulator V1.31.1s.zip ((top))

If you own the game on Steam and need V1.31 for a specific mod, you can right-click the game in your Library > Properties and select temporary_1_31 - 1.31.x for incompatible mods from the dropdown menu. transfer your save files from a newer version to this older build? American Truck Simulator on Steam 10 Apr 2026 —

Enhanced mirror functionality provided more realistic reflections for better maneuvering.

Open the game to verify the version number in the main menu. The Steam Method (Recommended)

Open the in-game Mod Manager and activate older truck models above map modifications to prevent texture rendering errors.

: A practical safety feature was added—when reloading or restarting the game, or when the game repositions the vehicle, the parking brake is automatically set to ON, preventing unintentional movement. Download File American Truck Simulator V1.31.1s.zip

Legendary map expansions (like older Coast to Coast or Viva México builds) and classic truck mods were built specifically for the 1.31 engine architecture.

Safe trucking, and enjoy the open road!

Version 1.31.1s utilizes an older input mapping system. You may need to manually map your steering wheel or gamepad axes via the in-game options menu rather than relying on modern Steam Input configurations.

: If you want to try the game for free, Steam offers an official demo that is safe to install. World of Trucks If you own the game on Steam and need V1

He glanced at the file name again. American_Truck_Simulator_V1.31.1s.zip . It wasn’t just an update. It was a promise. The patch notes had whispered of new roads through Oregon, the shimmering heat haze over Nevada’s blacktop, and the groan of a heavy-haul trailer climbing the Rockies. For Leo, it wasn't a game. It was an escape route.

If you need to stay on 1.31 (for mod compatibility), select it from the dropdown list. Otherwise, select "None" to stay on the latest version.

If you are downloading a .zip file specifically for a designed for version 1.31.1s:

Follow these steps to safely unpack and deploy your zip file: Open the game to verify the version number in the main menu

Before this update, players could only haul trailers provided by freight companies. The 1.31 update fundamentally changed the game economy by allowing players to purchase, customize, and upgrade their own trailers.

American Truck Simulator (ATS) version 1.31.1s was a significant update released in May 2018 that introduced key simulation features like trailer cables and enhanced physics. This version focused on realism and world expansion:

You want multiplayer convoys, new map DLCs, or advanced physics.