Walthers 910-46522 HO Scale 50' AAR Single Door Boxcar Northern Pacific NP 1194 SR7 the 4180 cubic-foot design

the 4180 cubic-foot design

1x Scaler & Crawler Screws Box

Overall Width: 9

Redcat Kaiju EXT 1/8 Brushless Truck White

Walthers 910-46522 HO Scale 50' AAR Single Door Boxcar Northern Pacific NP 1194 SR7 the 4180 cubic-foot designWalthers 910 46522 HO Scale 50' AAR Single Door Boxcar Northern Pacific NP 1194 The Association of American Railroads had been trying to set design standards for freight cars starting in the early 20th century. The early designs were not widely embraced. Many railroads preferred their own designs. By the time the 1937 AAR boxcar was introduced, this had begun to change as each new design standard provided higher capacity, lighter, more durable cars.