Union Pacific Railroad’s “Challenger” No. 3985, the world’s largest operating steam locomotive, will stop in Shakopee as part of a five-state, 1,750-mile tour from Cheyenne, Wyo., to ...

I've found that cars so equipped work fine on my otherwise standard HO track, but no locomotives are available with semi-scale wheels. Large scale models tend to have oversize flanges, probably ...

There are steam locomotives, and then there’s “Big Boy.” At 604 tons and 132 feet long and with a 4-8-8-4-wheel arrangement, it is the largest, most powerful steam locomotive in the world.