Highland Railway X Class
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The Highland Railway Drummond 0-6-4T or X class were large tank engines designed by Peter Drummond, originally intended for banking duty.
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Construction
The first four were built by the North British Locomotive Company and delivered in 1909. A second batch of four was delivered in 1911.
Design
Reputation
They were not popular with crews, many finding them heavy and clumsy and several having problems with water capacity. Their axleboxes also consistently ran hot as well.
Numbering
| HR No. | Built | LMS No. | Withdrawn | Notes |
|---|---|---|---|---|
| 39 | 1909 | 15300 | December 1936 | |
| 64 | 1909 | 15301 | October 1934 | Renumbered 66 in 1909 |
| 65 | 1909 | 15302 | August 1933 | Renumbered 68 in 1909 |
| 69 | 1909 | 15303 | October 1932 | |
| 29 | 1911 | 15304 | October 1932 | Renumbered 43 in 1913 |
| 31 | 1911 | 15305 | November 1934 | |
| 42 | 1911 | 15306 | November 1935 | |
| 44 | 1911 | 15307 | November 1934 | |
Transfer to LMS
All entered London, Midland and Scottish Railway (LMS) ownership in 1923 and were renumbered 15300–7 with the power classification 4; this was revised to 4P in 1928. Six locomotives (LMS nos. 15300–3/5/7) received the LMS red livery but were later repainted black; the other two (LMS nos. 15304/6) went directly from HR green to LMS black. Withdrawal commenced in 1932, and was completed in 1936.[1]