Euro Truck Simulator 2 Physics Free

Ultra Realistic Truck Physics & Cabin Motion for Euro Truck Simulator 2

Kass's physics mod reworks suspension, chassis and cab motion on every truck, with strong weight transfer and less grip in the wet. Version 3.0 for ETS2 1.61.

Author: Kass Version: 3.0 Compatible: ETS2 1.61 Updated: 20 Sep 2026 Reviewed: 23 Oct 2026
Download Ultra Realistic Truck Physics & Cabin Motion

More screenshots on TruckyMods (verified account of Kass) ↗

What this mod does

Ultra Realistic Truck Physics & Cabin Motion is the physics mod by Kass, the author of Realistic Brutal Graphics and Weather. It reworks how the chassis and cab behave, and version 3.0 is already ready for ETS2 1.61.

What changes when you drive

  • Retuned chassis and suspension, with springs and damping that, according to the author, are based on real truck specs.
  • More pronounced weight transfer, cab roll and pitch when braking, accelerating and cornering.
  • On wet asphalt you lose grip and braking distances get longer.
  • 3.0 fine-tunes steering, cab roll, body control and trailer stability.
  • Earlier versions tweaked brake heating, transmission response, aerodynamic drag on the highway and seat damping.

What it works with

Kass says it’s compatible with every truck and tunes it for keyboard, controller and wheel with pedals. He also designs it to be fully compatible with his weather mod and balances it for city, highway and mountain driving.

Who it’s for

For anyone who finds the stock physics too stiff and wants to feel the weight of the load in every stop and every corner. If you already use Realistic Truck Physics by Frkn64, keep just one of the two: both change the same parameters.

Holyfix Check

Will it work with your mods?

Load your game.log.txt and check whether this mod is for your ETS2 version, whether you're missing a mod or DLC it needs and where to place it.

Choose game.log.txtor drop it here

It's in Documents › Euro Truck Simulator 2 › game.log.txt. It's read in your browser: the file is never uploaded.

Something else failing? Holyfix for ETS2 checks all your mods at once.

User rating

—
No ratings yet. Be the first.
Tried it? Rate it: Anonymous, one vote per person.

Highlights and things to keep in mind

Highlights
  • Believable cab roll and pitch without overdoing it
  • Braking and grip that change in the rain
  • Updated on September 20, 2026 for 1.61
Keep in mind
  • Don't mix it with other physics mods
  • The page doesn't state compatibility with Convoy or TruckersMP
  • Reuploading or modifying it is prohibited: download it only from Kass's channels

Requirements

  • Euro Truck Simulator 2 1.61 (the TruckyMods history lists earlier versions for 1.58, 1.59 and 1.60)
  • No other truck physics mod enabled

How to install it

  1. Open the mod's page on TruckyMods, Kass's verified account.
  2. Download version 3.0 (hosted on TruckyMods itself).
  3. Copy the file to Documents/Euro Truck Simulator 2/mod.
  4. Enable it in the Mod Manager and disable any other physics mod.
  5. If you use modded trucks, place the physics mod above them.
  6. Test it first empty and then with a loaded trailer to feel the weight transfer.

Version history

  1. 3.020 Sep 2026Current

    Improvements to steering, cab roll, suspension and trailer stability for ETS2 1.61

  2. 2.924 Jun 2026

    Compatible with ETS2 1.60

  3. 2.87 Jun 2026

    More stable steering at high speed, smoother cab, more consistent brake heating, transmission, aerodynamics, seat and interior camera

  4. 2.712 May 2026

    Tweaks to steering, roll, brake heating, transmission, aerodynamic drag and seat (ETS2 1.59)

  5. 2.613 Mar 2026

    Aerodynamic drag, tire friction, steering, damping and load transfer (ETS2 1.58)

Common problems

Does it work with a wheel?

Yes. Kass says it's designed for keyboard, controller and wheel with pedals.

Is it compatible with Realistic Brutal Graphics and Weather?

Yes, the author designs it to work alongside his weather mod.

Can I combine it with another physics mod?

Not a good idea: two physics mods change the same values and whichever sits on top overrides the other.

Does it work in Convoy?

The author's page says nothing about Convoy mode.

More mods for ETS2

✓ ETS2 1.61
ETS2 · ToolsFree ETS2 XP & Economy Rebalance A more generous ETS2 economy: €250,000 on new profiles, far more XP, unlimited delivery times, cheaper garage diesel and no cancellation fines. Version 2.5 for ETS2 1.61. Updated 29 Sep 2026
✓ ETS2 1.61
ETS2 · TrafficFree AI Traffic No Default SCS Buses Removes SCS buses from AI traffic so the ones from your bus packs take over the roads. Lightweight with no models; version 1.3 by Kass for ETS2 1.61. Updated 18 Sep 2026
✓ ETS2 1.61
ETS2 · PhysicsFree Realistic Cargo Weight 1.5x (ETS2) Multiplies ETS2 cargo weights by 1.5 without evening them out: light loads stay light and heavy ones demand more engine and better ratios. 100-ton cap for World of Trucks. For 1.60 and 1.61. Updated 12 Oct 2026
✓ ETS2 1.61
ETS2 · PhysicsFree Improved Suspension A physics mod that retunes suspension, cab, tires, brakes and drivetrain on every truck so they behave more authentically. Version 1.9 for ETS2 1.60, with recommended game and wheel settings. Updated 18 Apr 2026
ETS2 1.59
ETS2 · PhysicsFree Renault Drivetrain Revision DXi, DTI and DE 13 Turbo Compound engines plus Optidriver, ZF Ecosplit and B14 gearboxes with real names and ratios for ETS2's Renaults. Version 1.18 (May 9, 2026), with a badge fix for patch 1.59. Updated 9 May 2026
ETS2 1.59
ETS2 · PhysicsFree Volvo Drivetrain Revision D13, D13 Turbo Compound, D16 and D17 engines plus I-Shift and VT gearboxes with real names and ratios for ETS2's Volvo FH. Version 2.21, free on the SCS forum, with a D17 600 fix from June 2026. Updated 6 Jun 2026