Description #511 Bettendorf T-Section Trucks with 33″ Ribbed Back Wheels – HO Scale Metal Fully Sprung Equalized Trucks. Contents 1 pair. Mounts with a #2 or 2-56 screw. Mounting Screws not Included. The Bettendorf T-Section truck was introduced in the 1920’s with a one piece cast sideframe. It had a life similar to the Andrews truck. #511 Instructions (pdf) Truck & Wheel Handout (pdf) Screws not included One Pair UPC: 765484005117   Made in the U.S.A. HO-Scale