| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 47327 (23) | 3F | 0-6-0T | 4'-8½" | BR (LMS) | Midland Railway - Butterley, Butterley, ENG | operational | North British Locomotive Co. #23406, 1926 | Fictionally named Jinty. |
| 46115 (6115) | 7P (Royal Scot) | 4-6-0 | 4'-8½" | BR (LMS) | West Coast Railways Carnforth, Carnforth, ENG | private operational | North British Locomotive Co. #23610, 1927 | Named Scots Guardsman. One of only two surviving LMS Royal Scott class locomotives, the other one being LMS (BR) 6100 "Royal Scot". Currently certified for mainline operations. |
| 45596 (5596) | 6P5F (Jubilee) | 4-6-0 | 4'-8½" | BR (LMS) | Keighley & Worth Valley Railway, Haworth, ENG | operational | North British Locomotive Co. #24154, 12/1934 | Named Bahamas. Only LMS Jubilee class preserved with a double chimney. Restored to operation in October 1972. Taken out of service in 2013. Returned to operation in early 2019. Currently certified for mainline operations. |
| 7754 | 5700 | 0-6-0PT | 4'-8½" | GWR (National Coal Board) | Llangollen Railway, Llangollen, WAL | operational | North British Locomotive Co. #24042, 12/1930 | Donated by the National Coal Board to the National Museum Cardiff, Cardiff, WAL on a permanent loan. Restored to operation on August 20, 1993. Previously operated in 2003. Restored back to operation on September 23, 2023. |
| 1264 (61264) | B1 | 4-6-0 | 4'-8½" | LNER (BR) | North Yorkshire Moors Railway, Pickering, ENG | operational | North British Locomotive Co. #26165, 12/1947 | One of only two surviving BR (LNER) class B1 locomotives, the other one being BR 61306 'Mayflower'. Restored to operation by the Great Central Railway in Mar 1997. Taken out of service in late 2014. Returned to operation in Jun 2016. |
| 1 | 0-6-0T | 4'-8½" | Coltness Iron Co. | Buckinghamshire Railway Centre, Quainton, ENG | operational | North British Locomotive Co. #24564, 1939 | Named Coventry. | |
| 61306 (1306) | B1 | 4-6-0 | 4'-8½" | BR | West Coast Railways Southall, Southall, ENG | private operational | North British Locomotive Co. #26207, 1948 | Named Mayflower. One of only two surviving BR (LNER) class B1 locomotives, the other one being BR 61264. Never carried LNER livery prior to preservation. Currently certified for mainline operations. |
| L.94 (7752) | 5700 | 0-6-0PT | 4'-8½" | London Transport (GWR) | Tyseley Locomotive Works, Tyseley, ENG | private operational | North British Locomotive Co. #24040, 1930 |