4-6-6-4 No. 3985 and Big Boy 4-8-8-4 No. 4014. To find articulated steam locomotives that still operate, check out the Great American Steam Locomotives: Articulateds DVD from Trains.

There’s nothing more guaranteed to excite a grizzled old railway enthusiast than the sight of a steam locomotive. The original main-line rail propulsion technology still clings on in a few ...