Trainz Product Id: 12272645

Model Number: 949-11003

Model Number: ST1470

Model Number: PF5193

The Trainz SKU for this item is P12391597

Walthers 920-104108 HO Scale Western Maryland 53' AAR Flatcar #2633 ProductID_11823589 Trainz Product Id: 12272645This is Walthers 920 104108 HO Scale Western Maryland 53' AAR Flatcar #2633. The American Association of Railroads (AAR) Committee on Car Construction established a standard for 53' 6 flat cars based upon a 1941 Pullman Standard Company design. The earliest users of this design were the Chicago Great Western, Monon, Soo and UP. The design established a new standard for deck height of 42 which was lower than previous car designs. This feature would