This is the Athearn Genesis HO Scale NSC 6400 Gondola, MRRX #4325/4336 (2 Pack).

MODEL FEATURES:
9 Build Variations (Builds range to from 2006- Present)
Multiple Body Styles
Multiple Detailed End Variations
Multiple Detail Top Chords
Multiple Ladder Variations
Metal Grab Irons
Etched Metal Crossover Platforms (where applicable)
Accurate Brake Piping (Metal and Plastic components)
Genesis Roller Bearing Trucks with animated bearing caps
Weighted to NMRA standards for reliable operation
Body-mounted McHenry® lower shelf couplers
Minimum Radius 22” — Recommended Radius 24”