[3/15/2022|1.43]
Version 2.0 Changelog:
-Brought back SCS Peterbilt 389 samples with improved sound
-Updated engine informations
-Supported more trucks
-Lot more improvements
-Included Customizable Additional Supported Trucks (CAST) in the mod
If you don't know what CAST is :
https://steamcommunity.com/workshop/filedetails/discussion/665335536/3156453942274154402/

Quick tutorial on how to use CAST
1. Goto def/vehicle/truck/
2. Rename one of zcustom_xx into truck def name you want
(optional but should do)
3. get inside that folder/engine/
4. Open every c15a_xxx.sii files and look at line 3
5. change "mx13_xxx.custom.engine" to "mx13_xxx.(truck def name).engine" for every files in that folder
and you should good to go

[11/19/2021|1.42-1.43]
Version 1.5 Changelog:
-Updated for 1.42/1.43
-Rebuilded sound (also removed Kriechbaum's assets)
-Included fan sound with realistic behavior
-Included custom sound orientation for realistic sound from different angle
-Lot more improvements

[9/8/2021|1.41]
Version 1.2 Changelog:
-New exhaust samples
-little tweak and improve

[8/23/2021]
This mod is stock sound for Paccar MX-13 engines in some SCS trucks and modded trucks
and like always if you want this mod works on any modded truck you can tell me

Feature:
-Paccar MX-13 engines with Stock sound 
-Realistic exterior/interior sound
-Custom sound attenuation for realistic sound fade off

credits:
Slav Jerry - Sound modding
Kriechbaum, SCS Software - sound samples