Based on the ones built in 1917

RP-25 metal weels mounted on Metal Axles

Here are some Atlas 5617 N Scale Chessie 2-Bay Offset Hopper Set (3 Cars)

The Trainz SKU for this item is P12359814

Deluxe Innovations L-8 Lot of 6 N Scale Assorted 40" Refrigerated Container Pack ProductID_11626403 Based on the ones builtThis is a Deluxe Innovations Lot of 6 N Scale Assorted Container Packs Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Deluxe Innovations Model Number: L 8 MSRP: $49. 99 Scale Era: N Scale Model Type: Freight Cars The Trainz SKU for this item is P12587818. Trainz Product Id: 12587818