Walthers Mainline 910-1359 HO Scale 40' AAR 1944 Boxcar Gulf Mobile & Ohio GM&O 22322 Transformers UP also assigned the cars

UP also assigned the cars to be the B-21-7 series

These three models represent the 1973 group

a tractive effort of 126

(100) 3mm washers PCS 700

Walthers Mainline 910-1359 HO Scale 40' AAR 1944 Boxcar Gulf Mobile & Ohio GM&O 22322 Transformers UP also assigned the carsWalthers Mainline 910 1359 HO Scale 40' AAR 1944 Boxcar Gulf Mobile & Ohio GM&O 22322 Expand HO freight service with these colorful WalthersMainline models based on the popular American Association of Railroads (AAR) standard boxcar design from 1944. Used for all types of general loading, the durable steel cars were still going strong into the 1980s. Features of these models include: One time run of these roadnumbers, order now limited quantity