Kadee #502 HO Scale Bettendorf 50-ton Trucks with Ready-to-Mount Couplers, 33" Smooth Back Wheels - Metal Fully Sprung

#502 Bettendorf 50-ton Trucks with Ready-to-Mount Whisker® Couplers, 33" Smooth Back Wheels - HO ScaleMetal Fully Sprung Equalized Trucks #502 Bettendorf 50-ton Trucks with Ready-to-Mount Whisker® Couplers, 33" Smooth Back Wheels - HO ScaleMetal Fully Sprung Equalized Trucks The Whisker® couplers will need to be assembled on to the trucks coupler bottom plate. Mounts with a #2 or 2-56 screw.Mounting Screws not Included. 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. #502 Instructions (pdf) Truck & Wheel Handout (pdf) Screws not included  One Pair UPC: 765484005025   Made in the U.S.A. HO-Scale Metal Fully Sprung Trucks Features: Ready-To-Mount #148 Metal Whisker® Couplers Code 110 (.110) #520 33" Smooth Back Wheels Accurate Markings Incredible Detail True to Prototype Non-Magnetic Metal Wheels H