Celtic Haulage Mack R Skins (Metalic) v1.0 Mod American Truck Simulator Mods | 7 Aug, 2018 There are 4 verisons of the skin The wheel are from rta Mack Superliner put it at the botttom of the list. And put the rta continetal tyres on first. Author: sirblackyalot Tags: Mack SuperlinerHaving trouble with the mod? Check the comments for a solution and report any new bugs you find.