Discover the Kadee / Barber® S - 2 70 - Ton Roller Bearing Fully Sprung Self - Centering Metal Trucks for HO Scale. These trucks come with Code 110 (.110 wide) 33' smooth - back RP - 25 wheels. Mount them easily with a #2 or 2 - 56 screw. The design traces back to the late 1950s and was refined in 1967. With over forty years on the rails, they're a reliable choice for pre - 1970 built 70 - ton rolling stock. Key features include self - centering, accurate markings, incredible prototype - true detail, non - magnetic metal wheels, highly flexible sprung trucks, metal side frames and fully sprung bolster, smooth - tracking free - rolling contoured insulated axles, and RP - 25 free - rolling wheels.

Using these Kadee / Barber® S - 2 trucks is easy. First, find the right place on your pre - 1970 built 70 - ton rolling stock. Then, use a #2 or 2 - 56 screw to mount the trucks securely. When it comes to running your model train, the smooth - tracking and free - rolling features will make the train move smoothly on the tracks. As for maintenance, keep the trucks clean. You can use a soft brush to remove dust from the wheels and axles. Check the springs regularly to make sure they're still flexible. If you notice any loose parts or signs of wear, it's a good idea to replace them promptly to keep your trucks in top condition.