Model Number: 174

The Trainz SKU for this item is P12383033

Trainz Product Id: 11685369

Model Number: 0141

Trainz Product Id: 12098898

MTH 20-93628 O Union Pacific 40' AAR Boxcar #100049 ProductID_11648458 Model Number: 174This is MTH 20 93628 O UP 40' AAR Boxcar. 40' AAR box car, Union Pacific #100049. The 40 steel box car so familiar to model railroaders was a product of the 1930s. Wood box cars, which were built into the World War I era, and early steel cars were largely non standardized, with details varying from railroad to railroad. The move toward standardization began with American Railway Association (ARA) designs of 1923 and 1932. It culminated in the 1937 AAR