Re: What do these trucks look like?

"Dual Control" was a term used by the National Malleable and Steel Castings Co. for describing some features of their B-1 trucks.  Athearn and Kadee offer these National B-1 trucks in HO.

Railway Truck Corp. offered a variety of snubbing designs that worked with standard AAR truck side frames, so there is no one unique look.  Their Snub-Up Truck Unit used a special truck bolster, as shown in the 1949-1951 CBC, but spotting features are minor.

Brian Leppert
Tahoe Model Works
Carson City, NV.

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