The i8600.scs file you have requested: Modifications / Trucks / Drivable GMC 10FT. For Haulin' - 1.47kb is not available. Perhaps try browsing all files for the game 18 Wheels of Steel Haulin and upload any files you want to share or are missing. This is the only information we could locate:
This is the drivable dumptruck from the AI. Simply drag this SCS file into Haulin's mod folder and enjoy! This replaces the I8600. The AI GMC 10FT. (Dumptruck) in drivable form.