Intermountain 40073 HO Scale High Detail 36" Semi-Scale Metal Brass Wheelsets 

12-Pack

The front and back profile is more accurate to the prototype on the high detail wheelsets. 36" Semi-Scale Wheels (.088" Tread Width). 36" wheels are used on 100 ton capacity cars (CAPY approximately 200,000 LBS), and on all passenger cars no matter the era.