USRA 0-6-0
The USRA 0-6-0 was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. This was the standard light switcher of the USRA types, and was of 0-6-0 wheel arrangement in the Whyte notation, or "C" in UIC classification.
A total of 255 locomotives were built under USRA control; these were sent to the following railroads:
| Railroad | Quantity | Class | Road numbers | Notes |
| Atlantic Coast Line Railroad | ||||
| Baltimore and Ohio Railroad | ||||
| Central Railroad of New Jersey | ||||
| Chicago, Burlington and Quincy Railroad | Also 15 copies | |||
| Chicago Great Western Railway | ||||
| Chicago, Rock Island and Pacific Railroad | ||||
| Chicago, St. Paul, Minneapolis and Omaha Railway | ||||
| Chicago and North Western Railway | ||||
| Grand Trunk Railway | to GTW 1824–1828, renumbered 7527–7531, Canadian National class O-19-a | |||
| Grand Trunk Western Railroad | Renumbered 7522–7526, Canadian National class O-19-a | |||
| Maine Central Railroad | ||||
| Mobile and Ohio Railroad | Also 13 copies | |||
| New York Central Railroad subsidiary Chicago Junction | ||||
| Pennsylvania Railroad | ||||
| Pittsburgh and West Virginia Railway | ||||
| Seaboard Air Line Railroad | ||||
| St. Louis - San Francisco Railway | ||||
| Texas and Pacific Railway | ||||
| Terminal Railroad Association of St. Louis | ||||
| Union Pacific Railroad | ||||
| Union Pacific subsidiary Oregon Short Line Railroad | ||||
| Washington Terminal Company | ||||
| Total | 255 |
After the dissolution of the USRA, the Atlantic Coast Line, Chicago, Burlington and Quincy, Chicago, St. Paul, Minneapolis and Omaha Railway, Gulf, Mobile and Ohio Railroad and Texas and Pacific Railway ordered additional copies of the USRA 0-6-0 design, while the Missouri Pacific Railroad and the Wheeling and Lake Erie Railway ordered only copies.