Real Engine Sounds for SCS Peterbilt Trucks - this mod change standart SCS Peterbilt trucks engine sounds from ATS game with real sounds. Real Engine Sounds for Peterbilt 389: - Cummins İSX15(NOT X15) engine sounds added for vanilla cummıns engines. - I dont touch scs engine sound its Paccar mx engines sound(old). - Caterpillar c15 twin turbo engine sounds added for vanilla caterpillar engines. - All engine prices are optimized. - You can try in company truck quıck jobs. Real Engine Sounds for Peterbilt 579: - Cummins İSX15(NOT X15) engine sounds added for vanilla cummıns engines. - Paccar mx-13 engine sounds added for vanilla paccar mx engines. - All engine prices are optimized. - You can try in company truck quıck jobs. Changes in v3.0: - DETROİT DİESEL SERİES 60(DD60) engines with sounds added peterbilt 389 and peterbilt 579 Changes in v2.0: - Hot fix. - Peterbilt 579 paccar sound bug fixed. - Paccar interior sound adjusted. Tested on game version 1.36.x