I hope you don't mind the bump, but... Enclosed box trailer: Based on the box trailers, available in both 'small' and 'large' variants, and can support liveries as well. Lowboy flatbed trailer: A large trailer made by fictional BeamNG trailer manufacturer Randolph, useful for hauling cars or heavy machinery. Color changeable, and stock colors are red, silver, black, or yellow. Also has a ramp to load cars on the trailer. UV support for caravan trailer: Just as it suggests, skin support for the caravan trailer, and possibly for paint-jobs like this one on the Shasta trailer, and would go really well with the Burnside/Miramar.