Code 100 is extremely popular and considered an industry standard

Model Number: 67603

Here is a Williams 43101 O ACL 72' Streamliners Passenger 2-Car Add-On Set

The Trainz SKU for this item is P12054443

Trainz Product Id: 11543019

State Tool & Die CMA-735 HO Scale Large Ingot Mold Car 3-Pack Plastic Kit VariantsUnitPrice_number_49.52 Code 100 is extremely popularThis is a State Tool & Die735 HO Scale Large Ingot Mold Car 3 Pack Plastic Kit. Undecorated (Pack of 3). Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: State Tool & Die Model Number: CMA 735 Road Name: **** No Road Name Scale Era: HO Scale Model Type: Freight Cars The Trainz SKU for this item is P11533260. Trainz Product Id: 11533260