The CD stood for center discharge

Trainz Product Id: 12168214

The Trainz SKU for this item is P11964091

This is Lionel 6-38951 O NS Heritage ES44AC LV #8104 Diesel/Legacy

great attention to detail

Atlas 53621 N Classic SD7, CB&Q #324 ProductID_11446389 The CD stood for centerHere is an Atlas 53621 N Classic SD7, CB&Q #324. This item features a Scale Speed motor with a low friction drive, directional lighting, Golden White LED's, blackened metal wheels, full pilots with body mounted AccuMate couplers, crisp painting and lettering, and a new DCC ready Chassis. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Atlas Model Number: 53621 Road Name: Chicago Burlington & Quincy