Introduction
Certain trucks have a variety of tire types available under each category; In the image below you can see the KRS 58 “Bandit” has 3 tires available under “Highway”, “Allterrain”, and “Off-road”. 
Take the Allterrain tires as an example, “UAD I”, “UAD II”, and “UAD III” all have the same in-game wheel performance of “Good”, “Good”, and “Average” for on-road, off-road, and mud. 
Now, how do you know if there’s actually any difference in these tires other than a cosmetic one? You don’t, at least not as far as the game is concerned with telling you, and so this guide will give you the answers to your question: Is there any difference at all? Yes, yes there is!
Highway
The following values are Tire Friction Values, where a higher value is better. In real life, friction between the tire and the road surface is what allows the car to move forward, the same applies in-game where higher friction values result in a better ability to traverse these surfaces.
| Tire Name | Asphalt | Dirt | Mud |
| HS I | 2 | 0.8 | 0.4 |
| HS II | 2 | 1 | 0.2 |
| HS III | 2.5 | 0.8 | 0.2 |
| UHD I | 3 | 1 | 0.4 |
| UHD II | 3 | 1.2 | 0.2 |
| UHD III | 3.2 | 1 | 0.2 |
| HMD I | 3 | 1 | 0.4 |
| HMD II | 3 | 1.2 | 0.2 |
| HMD III | 3.2 | 1 | 0.2 |
| FHMD I | 3 | 1 | 0.4 |
Allterrain
| Tire Name | Asphalt | Dirt | Mud |
| AS I | 1 | 1.4 | 1 |
| AS II | 1 | 1 | 1.2 |
| AS III | 1.2 | 1 | 1 |
| UAD I | 1.9 | 1.5 | 1 |
| UAD II | 1.5 | 1.5 | 1.2 |
| UAD III | 1.5 | 1.7 | 1 |
| ATHS I | 1.5 | 1.5 | 1.2 |
| ATMD I | 1.9 | 1.5 | 1 |
| ATMD II | 1.5 | 1.5 | 1.2 |
| ATMD III | 1.5 | 1.7 | 1 |
| P12 AT | 1.9 | 1.5 | 1 |
| TrAT I | 1.5 | 1.5 | 1 |
Offroad
| Tire Name | Asphalt | Dirt | Mud |
| OS I | 1 | 2 | 1.2 |
| UOD I | 1 | 3 | 1.5 |
| UOD II | 0.8 | 3 | 1.9 |
| UOD III | 0.8 | 3.2 | 1.5 |
| OHD I | 0.8 | 3 | 1.9 |
| OHD II | 0.8 | 3.2 | 1.5 |
| OHD III | 1 | 3 | 1.5 |
| OHS I | 1 | 3 | 1.5 |
| OHS II | 0.8 | 3 | 1.8 |
| TrO I | 0.8 | 3 | 1.5 |
| OHD I (P16) | 0.8 | 3 | 3.5 |
| OHD I (P512 PF) | 0.8 | 3.0 | 3.5 |
| Hummer H2 Tires | 3 | 3 | 1.5 |
| ANKO 1 | 0.8 | 3 | 2.4 |
Mudtires
| Tire Name | Asphalt | Dirt | Mud |
| MS I | 0.5 | 3 | 1.6 |
| MHS I | 0.5 | 2 | 2 |
| MHS II | 0.5 | 2 | 2.4 |
| MHS III | 0.5 | 2.4 | 2 |
| MSH I | 0.5 | 2 | 2 |
| MSH II | 0.5 | 1.7 | 3.2 |
| MSH III | 0.5 | 2 | 3 |
| MSH IV | 0.7 | 1.7 | 3 |
| TMHS I | 0.5 | 2 | 2.4 |
| TM I | 0.5 | 2.4 | 2 |
| TM II | 0.5 | 2 | 2.4 |
| TrM I | 0.5 | 2 | 2 |
| TO I | 0.5 | 3 | 8 |
| ZHM Tires (605R) | 0.5 | 2 | 2 |
| Caterpillar 770G Tires | 0.5 | 2 | 3.5 |
| Caterpillar TH357 Tires | 0.5 | 2 | 2 |
Chained
| Tire Name | Asphalt | Dirt | Mud |
| CS I | 0.9 | 2 | 1.1 |
| UAD III All Chains | 1.2 | 3 | 1.3 |
| UAD III Rear Chains | 1.2 | 3 | 1.3 |
| MHS I All Chains | 1.2 | 3 | 1.3 |
| OHD II All Chains | 1.2 | 3 | 1.3 |
| TrC I | 1.2 | 3 | 1.3 |
– Chained tires also have an additional value of “IsIgnoreIce” in the files, meaning that they do not slip when driving on ice like regular tires do.
– Vehicles which only have chains on their rear tires retain the base tire values for their front tires, which includes not retaining the “IsIgnoreIce” value that chained tires benefit from.
Extra Information
The information in the guide was obtained from files that can be found within the game’s directories, using the in-game tire names for reference.
The file containing the base friction values for the different tire types is found in:
C:\Program Files (x86)\Steam\steamapps\common\Codename – SR/preload/paks/client/initial.pak/[media]\_templates\trucks.xml
Further vehicle specific information is found in:
C:\Program Files (x86)\Steam\steamapps\common\Codename – SR/preload/paks/client/initial.pak/[media]\cla*ses\wheels\*.xml
If you wish to explore these values yourself, you will have to open the “initial.pak” file using an archiver utility such as WinRAR or 7zip, there you will have access to the “[media]” directory allowing you to explore the above files – and any others if you wish.
Note: I do not own the separate DLC vehicles – Western Star 49X, Chevrolet Apache 6×6, Navistar 5000-MV tractor, and the GMC Brigadier – so I cannot look up their tire names and check if they have unique tires. Though based on the files available, the Chevrolet Apache 6×6 is the only one with different tire modifiers, and they appear to be matching the “AS I”, “AS II”, and “AS III” values already present in the Allterrain section.
I hope you enjoy what we shared today about SnowRunner – Tire Differences. If there is anything, you want us to add, please let us know via comment below! See you soon! And thanks!
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