ATS Standard Mudflaps: Yes Mudflap Set 1 Grime & Aspahlt. Mudflaps Set 2 Snow, Grime & Gravel Trucks: Peterbilt 389: Peterbilt & Cat. Frame Long or Short 6 x 4 or 8 x 4 Kenworth W900: Kenworth. Frame Long or Short 6 x 4 “Only”. 8 x 4 Standard ATS Mudflaps. Support for ATS 1.46 Credits Credits: SCS Developers, Beta Testers. Doing a Fantastic on ATS, Equipment and DLC. Mod Studio 2 Developers & Contributers.