Canadian National Class O-18-a
| CN O-18-a | |
|---|---|
Sidney, MI while 7470 is operational), remainder scrapped | |
| Scrapped | 1954–1961 |
| External images | |
|---|---|
 Locomotive 7456 on display at Montcalm Community College | |
| 7439 at work in Chatham, Ontario | |
| 7470, the only operable O-18a locomotive today |
CN O-18-a is a class of 0-6-0 steam locomotives formerly owned by Canadian National Railways. They were switchers built by the Grand Trunk Railway's Point St. Charles Shops. Canadian National used the letter O to designate 0-6-0s.
The Grand Trunk Railway built 50 of these locomotives between 1919 and 1921 and designated them F9 Class. The GTR also had 25 more built in 1920 by the Lima Locomotive Works for use in the United States. In 1923, the Grand Trunk Railway was absorbed by the Canadian National Railways. CN classified the homebuilt locomotives O-18-a and the Lima-built F9s became GTW O-18-b class.
The O-18-a locomotives were numbered 1749–1798 by the Grand Trunk, and were renumbered as 7423–7473 by the Canadian National. They operated right up until dieselisation.
Upon retirement, 47 of the 50 locomotives were scrapped, but three were sold. CN 7439 (GTR 1764) was sold to
O-18-a number 7456 is at Montcalm Community College as a display locomotive, while number 7470 works at the Conway Scenic Railroad in North Conway, New Hampshire and is currently operational.
References
- Edson, William D.; Corley, Raymond F. (Autumn 1982). "Locomotives of the Grand Trunk Railway". Railroad History (147). The Railway and Locomotive Historical Society, Inc.: 142.