Metal fully sprung equalized Wheels and Fittings. Mounts with a #2 or 2-56 screw (sold separately). The Bettendorf double truss truck was introduced in the 1930s by U.S. railroads and was allowed to be used in interchange service through 1993. Kadee’s #500, #502 & #550 represent 50-ton Wheels and Fittings for 100,000-pound cars Truck Features:

• * Code 110 (.110) 33h smooth back wheels
• * Accurate markings
• * Incredible detail true to prototype
• * Non-magnetic metal wheels
• * Highly flexible sprung Wheels and Fittings
• * Metal side frames and fully sprung bolster
• * Smooth tracking free rolling contoured insulated axles
• * RP-25 free rolling wheels