Kadee's HO Scale Arch Bar Fully Sprung Metal Trucks come with Whisker(R) Couplers. This kit features Code 110 (.110) 33 Ribbed - Back RP - 25 wheels (Part # 380 - 503). These trucks mount easily with a #2 or 2 - 56 screw. The Arch Bar Truck has a long - standing history, serving for over seventy years in some applications. It was used until the 1920s and was banned from interchange after 1939, though non - common carrier railroads like logging lines still used them. Key features include ready - to - mount metal Whisker® Couplers, accurate markings, incredible detail, non - magnetic metal wheels, highly flexible sprung trucks, metal side frames, a fully sprung bolster, smooth - tracking free - rolling contoured insulated axles, and RP - 25 free - rolling wheels.

Using these Kadee HO Scale Arch Bar Trucks is easy. First, mount them with a #2 or 2 - 56 screw. They'll fit right into your HO scale setup. When using, make sure the tracks are clean to ensure smooth rolling. As for maintenance, regularly check the wheels and axles for any dirt or debris. You can use a soft brush to clean them. Store the trucks in a dry place to prevent rusting. The metal parts are durable, but handle them gently to keep the detailed markings intact. Enjoy adding these historical trucks to your model railroad!