1 pair unassembled HO scale National Swing Motion 70 ton trucks equipped with 33" wheels on a 68" wheelbase with a 2-2-2 spring configuration. Designed to be used with Intermountain 33" wheelsets. The prototype trucks are used on autoracks, flatcars, intermodal spine cars and other freight cars.
- Prior to assembly, soak the parts in Simple Green household cleaner for a few minutes and gently scrub clean with a small brush followed by a rinse in cool water.
- Assemble one sideframe to the bolster, install the wheels then install the other sideframe.
- Secure the parts with CA glue.