• One pair per package
• HO Scale
• Metal 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® #502 represent 50- ton trucks for 100,000 pound cars.
• Made in the U.S.A.
• 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
• Highly Flexible Sprung Trucks
• Metal Sideframes & Fully Sprung Bolster
• Smooth tracking Free Rolling Contoured Insulated Plastic Axles
• RP-25 Free Rolling Wheels
• #637 HO Scale Truck Springs 

Package Includes:

• (2) Each #502 Bettendorf 50-ton Trucks with Coupler Platform (assembled)
• (2) Each #148 Metal Whisker® Couplers
• (2) Each Coupler Gearbox
• (2) Each 0-48 Screw
• (2) Each Insulated Bushing
• (2) Each #209 Gray Insulating Fiber Washers .010"
• (2) #622 Knuckle Springs