The skin is made for the BDF Tandem Truck Pack by Flemming Vinge so you will need to download his mod first ( https://forum.scssoft.com/viewtopic.php?t=126098 ). Has included all of his trailer types, all you need to do is put this mod above that mod.
Flemming. V. tyb33rk (aka Vandall RTR)
DOWNLOAD 151 MB