This mod makes truck physics behaviors realistic for a unique driving experience.

  • Smoother truck chassis suspension
  • Smoother trailer suspension
  • Smoother interior camera movements
  • Improved driveshaft torque simulation
  • Compatible with current ATS trucks
  • Optional mod support for convoy
  • *For better results, it is recommended to apply the recommended gameplay settings. The settings are available below.
  • **Additional configuration required for truck mods. You can find more information in the Frequently Asked Questions section below.
  • CAUTION: This mod is designed for bonneted trucks and may not work properly with cabover truck mods.

Trailer Video

This video was recorded on ETS 2, but ATS version of the mod has the same features.


American Truck Simulator 1.49

* We are not responsible for problems that may occur if the mod is used with unsupported game versions.


Update 9.0.4 is out. Changelog:
– Now compatible with the new Kenworth T680

Recommended Gameplay Settings

For better results, it is recommended to apply the recommended gameplay settings.

Frequently Asked Questions

  1. Open the downloaded zip file using WinRAR or 7zip etc. .
  2. Find “Documents/American Truck Simulator/mod” directory on your computer.
  3. Drag the file with “SCS” extension from the zip file to the mod folder you find.
  4. Enter the American Truck Simulator and activate this mod from the Mod Manager located in Profiles screen.
  5. Exit the mod manager and start the game. Enjoy the mod!

Yes, you can use this mod in convoy mode.

You can use the Realistic Truck Physics mod with your truck mods by creating a small add-on. Follow the steps below.

  1. Find def/vehicle/truck/**truck_name**/chassis directory from the files of the truck mod you’re using.

  2. Copy the chassis folder.
  3. Navigate to American Truck Simulator mod directory and create a new folder.

  4. Inside the new folder you created, create the same folders as in your truck mod and paste the chassis folder you copied in step 2 into the **truck_name** folder you created.

  5. Open the chassis folder you pasted. You should see *chassis*.sii files here. You can delete other files like sound.

  6. Open each *chassis*.sii file and delete all lines starting with residual_travel[]:

  7. After deleting them, add the following line to it, depending on the chassis type. You can see the chassis type from “info” section.
    – If it’s an 4×2 or 4×4 chassis file, add this line: @include "/def/vehicle/realistic_physics_4x2.sui"
    – If it’s an 6×2 or 6×4 or 6×6 chassis file, add this line: @include "/def/vehicle/realistic_physics_6x2_4.sui"
    – If it’s an 8×2 or 8×4 or 8×6 chassis file, add this line: @include "/def/vehicle/realistic_physics_8x4.sui"

  8. Perform step 6 and 7 on all *chassis*.sii files and save the files.
  9. Leave the folder you created as it is. You do not need to create a ZIP or SCS archive.
  10. Sort your mods in Mod Manager according to the required mod order below.

That is all. Enjoy the mod!


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Terms of Use of Our Mods

Please read the terms below before using our mods. By downloading and using our mods, you agree these terms.
- Do not copy any data from mods.
- Do not edit/change mod files unless necessary.
- If you edit/change mod files, do not share them with anyone.
- Do not upload mod files to websites.
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