What you have linked is a Feed truck not grain. You would be after a semi tractor with grain trailer. What Rdayt has is semi close ecept that is not...
Well best for any articulated sets to stay accordingly with connections is use TSRE Consist editor an build Eng Sets starting with new .con file then...
This is true , People think this is a done deal ! Watching from the sidelines as well is fun with this merger. They forget that STB has to approve of...