![Geared steam locomotive reverses with coal cars](https://www.trains.com/wp-content/uploads/2021/08/20210825.jpg)
Geared for success
Brimstone’s 3-truck Shay No. 35 pulls coal in Tennessee. Lumber railroads were the primary users, but a few coal-haulers used Shays and/or the two other popular geared locomotives in North America, Heislers and Climaxes. Dwight Smith, Jim Wrinn collection