Get a pair of high - quality Kadee/Vulcan double truss fully sprung self - centering metal trucks in HO scale (Part # 380 - 556). These trucks feature Code 110 (.110 wide) 33' ribbed - back RP - 25 wheels. Mount them easily with a #2 or 2 - 56 screw. The Vulcan design, introduced in the 1920s, has a pin for quick journal box replacement. It was used until the end of the steam era on mainline railroads and longer on logging and short - line equipment. Key features include self - centering, accurate markings, incredible detail, non - magnetic metal wheels, highly flexible sprung trucks, metal sideframes, a fully sprung bolster, smooth - tracking contoured insulated axles, and free - rolling RP - 25 wheels.

Using these Kadee/Vulcan trucks is easy. First, use a #2 or 2 - 56 screw to mount them properly. When using, you'll notice their smooth tracking and free - rolling wheels, which provide a great running experience. As for maintenance, keep them clean. You can use a soft brush to remove dust and debris. Avoid exposing them to strong magnets as the wheels are non - magnetic. Check the journal boxes regularly and if there's any issue, you can remove the pin to replace them quickly. Also, store them in a dry place to prevent rusting. That's all you need to know to make the most of these awesome trucks!