The Trainz SKU for this item is P12270621

Here is an Atlas 190000 HO Roller Bearing Caboose Trucks (Pack of 2)

Model Number: 50003261

Auto door end

Bachmann 17107 HO Shell 40' Three Dome Tank Car #1258 DwDetails-3.00-0.82-14.00-8.00-6.00-1 The Trainz SKU for thisThis is a Bachmann 17107 HO Scale Shell 40' Three Dome Tank Car #1258. Silver Series rolling stock features: blackened metal wheels, body mounted couplers & non magnetic axles. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Bachmann Model Number: 17107 MSRP: $45. 00 Scale Era: HO Scale Model Type: Freight Cars The Trainz SKU for this item is P12372960. Trainz Product Id: 12372960