The Scania has various config
Rail trailer operation:
From the back of the rail trailer drive X press, if the hook is about 90 degrees then press Y, sometimes to 2 times so that he reacts.
the container is secured as soon as you hook up the trailer, you can solve for the multiplayer the container with X.
Multiplayer is also possible if you use the mod MPOwner.
Credits: Modell: Dimanix
Script: Ap0lLo, HoFFi
FS17_SCANIA_V8_HKL_schienentrail (file size = 74 MB)