Engines included: CAT 3406E 455HP CAT 3406E 475HP CAT 3406E 550HP CAT 3406E 550HP Tuned 669HP. More engines compatible with this sound pack are available here. (with thanks to Bruce C). Compatible with the following trucks: Default: – Kenworth W900L – Peterbilt 389 – Peterbilt 579 – International Lonestar – Freightliner Cascadia 2019 – Western Star 49X Modded: – Freightliner Classic XL (by Jon-ruda) – Peterbilt 389 (by Jon-ruda) – Kenworth W900L “Highway Killer” (by Jon-ruda) – Kenworth K100E (by Overfloater) – Peterbilt 389 (by Viper) – Kenworth W900B (GTM) – Kenworth T800 (GTM) – Kenworth T610 (GTM) – Peterbilt 567 (GTM) – Freightliner FLC (by XBS) Credits Robinicus, zeemod, Harven, Full Tilled Gaming