Walthers 910-46524 HO Scale 50' AAR Single Door Boxcar Northern Pacific NP 1238 HO EZ Track The distinctive powerful aero form

The distinctive powerful aero form of the GT machine is realized even in this 1/10 scale version

Sealed differential

4x Blast Beadlock 1

It also includes Insta-Fence

Walthers 910-46524 HO Scale 50' AAR Single Door Boxcar Northern Pacific NP 1238 HO EZ Track The distinctive powerful aero formWalthers 910 46524 HO Scale 50' AAR Single Door Boxcar Northern Pacific NP 1238 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.