ATS physics mods

Here are 17 mods for American Truck Simulator physics: mods that change truck suspension, cabs and brakes, packs of real engines and transmissions (Eaton Fuller, Allison, Volvo I-Shift), heavier cargo and new powertrains for the Fords in the Road Trip DLC. Several already take advantage of the chassis parameters introduced in 1.61, the stable version; others are still marked for 1.58 through 1.60, and 1.62 is in open beta.

The best ATS physics mods to start with

• Improved Suspension Behavior: uses the new 1.61 parameters (caster angle, damping, anti-roll bar and solid axles). Released in October 2026.
• ATS Trucks Physics by MK: more realistic suspension, cab, weight, brakes and interior camera, with recommended settings. Works on 1.50 and later.
• Real Eaton Fuller Transmissions: 30 real Eaton Fuller transmissions and 1,800 retarder and differential combinations for 17 stock trucks and many mod trucks.
• MrBadMae's Engines and Transmissions: engines and transmissions with sounds by Kriechbaum and Slav Jerry, plus an 18-speed transmission with a retarder. Confirmed for 1.60.
• FAT-30 Auxiliary Transmission: Eaton UltraShift PLUS with the FAT-30 auxiliary, up to 54 gears for heavy haul on more than 200 trucks.
• Realistic Cargo Weight 2x: doubles cargo weight while keeping the balance between light and heavy loads. For 1.60 and 1.61.
• Volvo Drivetrain Revision: D11, D13, D16 and Cummins X15 engines plus I-Shift and Eaton Fuller transmissions for every Volvo VNL, including the 2025.
• Ford Improved Powertrain: new engines for the four Road Trip Fords, like the Mustang's 390 GT or a supercharged V8 in the F-150.

How to combine them

• Just one general physics mod: MK, Vaq3r's Improved Suspension, Improved Suspension Behavior and GDC Logistics change the same things; if you enable two, the one higher in the Mod Manager wins.
• Engines and transmissions: powertrain packs add options in the upgrade shop and don't change the suspension. Check the mod page to see which trucks they're for.
• Heavy cargo: if you double cargo weight, keep in mind that the FAT-30 is designed for heavy haul, mining and special transport.
• Road Trip: Ford: mods for the Mustang, the Crown Victoria or the F-150 need that DLC.
• Camera: Air Ride simulates an air-ride seat and requires camera physics set to maximum.
• Installation: subscribe on Steam Workshop or copy the file into DocumentsAmerican Truck Simulatormod and activate it in your profile's Mod Manager.

To combine physics with traffic, weather and sound, see our guide to realistic mods for ATS, and to place each mod, the one on ATS mod load order.

Frequently asked questions