This mod allows SCS B-Double trailers to be used on freight market jobs for: Box trailers (dry vans, insulated and refrigerated) Flatbeds Container Carriers Food Hoppers Click the gear icon on the freight selection screen to choose different options, and they will be available at random for quick jobs and external World of Trucks jobs. B-Doubles are a little easier to reverse park than the dolly trailers, to unlock the hard parking option edit config.cfg in the \Documents\American Truck Simulator\profiles\[profileid] folder, and change g_simple_parking_doubles to "0"