Version 1.40 marked a significant visual and auditory overhaul for ATS, moving away from the older pre-baked lighting to a more dynamic, realistic system. Below is a comprehensive list of features present in the full v1.40 release.

If you are searching for a "full download" of version 1.40, there are two primary methods to acquire it, depending on your situation.

The search for american truck simulator v140 download full usually ends in one of two places: the official Steam depot or a dangerous torrent site. To protect your computer and enjoy the richest trucking experience, always choose the legitimate download.

Version 1.40 represents a high-water mark for visuals in the series. It is the perfect balance of modern rendering and stable performance. Whether you are hauling dynamite through the mountains of Colorado or refrigerated produce across the Nevada desert, the new lighting system makes every sunset worthy of a screenshot.

If you already own the game, switch to the 1.40 legacy beta branch to lock in your mods. If you are a new player, download the full game via Steam, let it update to the latest version (which includes all v1.40 improvements plus more), and start building your trucking empire.

The highway is updated. Your rig is waiting. Drive safe, driver.

The American Truck Simulator (ATS) version 1.40 update, released in early 2021, is most notable for its complete overhaul of the visual lighting system. While the game's latest version is now 1.58.1.1 (as of February 2026), version 1.40 marked a major technical shift by introducing a light system that uses physically-based rendering to more realistically simulate daylight and weather conditions. Key Features of Version 1.40

New Visual Lighting System: A massive update that changed how light interact with materials, featuring more realistic sun and weather effects, as well as reflections on buildings and signage.

Extended Chassis Update: Introduced long and short chassis types, specifically 4x2, 8x4, and 8x6 chassis, which were a highly-requested community feature for varied trailer types.

Western Star 49X Update: Added new configurations, including new chassis and cabin options for this specific truck model.

Viewpoints: Added new cinematic viewpoints for the New Mexico and Oregon DLCs, allowing players to view landmarks from fixed camera positions.

F4 Menu Redesign: The in-game menu for adjusting mirrors and truck configurations was cleaned up and modernized. Downloading and Installation

The "full" version of ATS 1.40 is primarily available through American Truck Simulator on Steam. Because the game automatically updates to the latest release, you must manually select older versions if needed: American Truck Simulator on Steam

Memory: 8 GB RAM. Graphics: NVIDIA GeForce GTX 660 or AMD Radeon RX 460 or Intel HD 630 (2GB VRAM) Storage: 25 GB available space.

American Truck Simulator (ATS) update v1.40 was a major visual and technical overhaul released by SCS Software

in early 2021. To download the full game or update to the latest version (currently at v1.58 as of 2026 ), players should use official platforms like the American Truck Simulator Steam page to ensure security and access to all DLC content Key Features of v1.40

Update 1.40 introduced critical improvements that transformed the driving experience: New Visual Lighting System

: A massive technical update that added dynamic exposure and realistic reflections. Day/Night Cycles

: The light reacts realistically to the environment, particularly during sunsets and evenings with improved bloom effects for headlights and dashboards. Technical Impact

: This new system can be more taxing on GPUs compared to previous versions. Chassis Expansion

: New 4x2, 8x4, and 8x6 chassis options were added for various trucks, including the Western Star 49X, International, Mack, and Peterbilt models. 4x2 chassis

is specifically designed for yard work and tight city navigation due to its sensitive steering and shorter wheelbase. Map Updates

: Significant portions of the map received refreshes to match the new lighting and improve detail in older regions. System Requirements (Current)

While v1.40 was a turning point, the current game requirements (as of April 2026) have been adjusted to support these and subsequent visual updates: Minimum Requirement Recommended (for 1080p/30FPS) Windows 10 (64-bit) Windows 10/11 (64-bit) Intel i5-6400 / AMD Ryzen 3 1200 Intel i5-9600 / AMD Ryzen 5 3600 GTX 660 / RX 460 / Intel HD 630 GTX 1660 / Radeon RX 590 (2GB VRAM) 25 GB available space 25 GB available space Official Download & Safety Download Source

: The safest and only official digital distributor for the full, updated version of ATS is Mod Compatibility

: Players should note that major version updates (like 1.40) often break older mods. It is recommended to use a mod-free profile when first testing a new update. Multiplayer

: Standard multiplayer (Convoy mode) is integrated, but third-party mods like TruckersMP often require time to update after a version release. or exploring the new map regions added in later updates? American Truck Simulator on Steam

Whether you’re a veteran of the open road or a newcomer looking to start your own logistics empire, the American Truck Simulator v1.40 update remains one of the most significant milestones in the game's history. Released by SCS Software, this version fundamentally changed the visual landscape of the simulator, making it a must-have for fans of the genre.

In this guide, we’ll dive into what makes the v1.40 update so special and how you can get your hands on the full version to experience the American West like never before. Why the v1.40 Update is a Game-Changer

The jump to version 1.40 wasn't just a minor patch; it introduced a complete visual overhaul through a new lighting system.

New Visual Lighting System: SCS implemented a sophisticated light system that uses real-world physical values. This means the way sunlight hits your chrome, the intensity of streetlights at night, and the atmospheric haze during a California sunset look more realistic than ever.

California Reskin (Phase 1): v1.40 kicked off the massive project of updating the game’s oldest map sections. This version specifically saw major improvements to cities and roads in Northern California.

Chassis Options: New 4x2, 8x4, and 8x6 chassis options were added for various trucks, allowing for better heavy-haul customization.

Western Star 49X Update: Owners of the Western Star 49X saw new cabin options and sleeper configurations added in this version. American Truck Simulator v1.40 System Requirements

Before you look for the download, ensure your PC can handle the improved lighting engine: Requirement Recommended OS Windows 7 64-bit Windows 10 64-bit Processor Dual Core CPU 2.4 GHz Quad Core CPU 3.0 GHz Memory Graphics GeForce GTS 450-class GeForce GTX 760-class Storage 7 GB available space 7 GB available space How to Download the Full v1.40 Version

To experience the most stable and feature-complete version of American Truck Simulator, the best method is through official digital distribution platforms. 1. Steam (Recommended)

Steam is the official home for ATS. The benefit of using Steam is that the game updates automatically. Even though the game is currently on a much higher version (like v1.50+), Steam allows you to "roll back" to v1.40 if you need it for specific mod compatibility. Right-click the game in your Library. Select Properties > Betas.

Choose temporary_1_40 - 1.40.x for incompatible mods from the dropdown menu. 2. Official Website

You can purchase the game directly from americantrucksimulator.com. This usually provides you with a key for Steam or a standalone installer. 3. Why Avoid "Free Full Download" Sites?

Searching for "American Truck Simulator v1.40 download full" often leads to third-party "crack" sites. We strongly recommend avoiding these for several reasons:

Security Risks: These installers often contain malware or miners that can damage your PC.

No Multiplayer: You will be locked out of the official Convoy mode (multiplayer) introduced in later 1.40 builds.

Broken Mods: Most of the best ATS mods (ProMods Canada, etc.) require a verified version of the game files to run correctly. Essential v1.40 Mods to Consider

If you are sticking with v1.40 for specific reasons, don't miss out on these mods: Coast to Coast: Expands the map across the entire US.

Real Sound Fixes: Enhances the engine and ambient noises to match the new lighting visuals.

SiSL's Mega Pack: Adds hundreds of cabin accessories for that personal touch. Final Thoughts

American Truck Simulator v1.40 is the version that brought the "soul" to the game's visuals. Whether you're hauling freight through the Mojave Desert or navigating the foggy docks of Washington, the lighting and chassis updates make every mile feel authentic.

Even with a perfect full download, you may encounter issues. Here are solutions for the most common v1.40 problems.

Issue: "The game crashes on launch."

Issue: "The sky is completely black/white."

Issue: "My steering wheel (Logitech/Fanatec) feels loose."

Issue: "The download stops at 99%."

Even though newer versions exist (like 1.49 and 1.50), many truckers keep a v1.40 "golden build" on a secondary hard drive. Why?

Sites offering “ATS v1.40 full download free” often contain:

American Truck Simulator V140 Download Full -