Kadee #550 HO Scale Bettendorf 50-ton Self Centering Trucks with 33" Smooth Back Wheels - Metal Fully Sprung
#550 Bettendorf 50-ton Self Centering Trucks with 33" Smooth Back Wheels - HO Scale
Metal Fully Sprung Equalized Trucks
Mounts with Kadee Self Centering bushing on a flat surface with a #2 or 2-56 screw or without the Kadee Self Centering bushing on a 0.140" or smaller molded on truck post secured with the original screw.
Introduced in the 1930’s - Used in interchange service through 1993.
The Bettendorf Double Truss Truck was introduced in the 1930's by U.S. railroads and was allowed to be used in interchange service through 1993. The Kadee® #500, #502 & #550 represent 50- ton trucks for 100,000 pound cars.
