Ownable overweight trailer Wielton NJ4 v1.6.1

Version 1.6.1 - fixed bug with 'invisible' cargo, fixed possible crash with some cargo.

Ownable overweight trailer Wielton NJ4
Standalone
Advanced coupling
Cables simulation
Customisable
60 overweight cargo
2 chassis variants
Tested on version 1.33.x, 1.34.x
Models by Ice Flames, Giants Software, Weltenbauer Software, Visual Imagination, PlayWay SA, Cape, Code Horizon

Version 1.6 - added 10 new cargo, fixed cargo definitions.