This is a Bachmann 15010 HO Denver & Rio Grande Western 40' Steam-Era Steel Boxcar #68337

This is an Atlas 50002234 N Scale Peoria Creamery Company 40' Wood Reefer Car #1551

The Trainz SKU for this item is P11451937

finding a 6456 in nice condition will require some searching and effort

Here is an MTH 20-90480 Sealand 2-Car Twin Stack Container Set

Atlas 50004684 N Union Pacific (CNW) Evans 52'6" Gondola #340019 DwDetails-11.00-10.00-20.00-12.00-8.00-4 This is a Bachmann 15010This is an Atlas 50004684 N Union Pacific (CNW) Evans 52'6 Gondola #340019. Features: True scale dimensions with accurate detail, Separately applied end and side ladders, 100 Ton roller bearing trucks with offset shank AccuMate couplers, Diecast under frame. AccuMate couplers are made under license from AccuRail, Inc. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Atlas Model Number: 50004684 Road