Walthers 910-46515 HO Scale 50' AAR Single Door Boxcar Erie 63257 HO UniTrack Power: 6 VDC (1

Power: 6 VDC (1

Slash® Late Model

Four-wheel double wishbone suspension system

Athearn 15961 HO Scale 50' PS 5277 Boxcar Pickens PICK 55389

MTH Premier 20-93933 O Scale 40' AAR Boxcar Southern Pacific SP

Walthers 910-46515 HO Scale 50' AAR Single Door Boxcar Erie 63257 HO UniTrack Power: 6 VDC (1Walthers 910 46515 HO Scale 50' AAR Single Door Boxcar Erie 63257 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. Just before the