| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 45170 | 8F | 2-8-0 | 4'-8½" | War Dept. | Bo'ness & Kinneil Railway, Bo'ness, SCT | restoration | North British Locomotive Co. #24755, 1942 | Only Turkish steam locomotive in the UK. |
| 49 | F | 4-4-0 | 4'-8½" | Great North of Scotland Railway | Bo'ness & Kinneil Railway, Bo'ness, SCT | display | North British Locomotive Co. #22563, 10/1920 | Named Gordon Highlander. |
| 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 | operational | North British Locomotive Co. #23610, 1927 | Named Scots Guardsman. Privately owned. One of only two surviving LMS Royal Scott class locomotives, the other one being LMS (BR) 6100 "Royal Scot". Currently certified for mainline operations. |
| 411 | GMA | 4-8-2+2-8-4 | 42" | South African Railways | Summerlee Heritage Park, Coatbridge, SCT | display | North British Locomotive Co. #27770, 1958 | Named Springbok. |
| 46100 (6100) | 7P (Royal Scot) | 4-6-0 | 4'-8½" | BR (LMS) | Crewe Works (Royal Scot Locomotive & General Trust), Crewe, ENG | overhaul | North British Locomotive Co., 06/1930 | Named Royal Scot. Previously named The King's Dragoon Guardsman. Restored to operation in 1972. Taken out of service in Apr 2009. Returned to operation in 2015. Taken out of service again in Jan 2025. |
| 9 | 5 | 0-6-0T | 4'-8½" | Glasgow & South Western Railway | Riverside Museum, Glasgow, SCT | display | North British Locomotive Co. #21521, 1917 | |
| 3007 | 15F | 4-8-2 | 42" | South African Railways | Riverside Museum, Glasgow, SCT | display | North British Locomotive Co. #25546, 1944 | |
| 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. Privately owned. Only LMS Jubilee class preserved with a double chimney. Restored to operation in Oct 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. |
| 777 (30777) | N15 | 4-6-0 | 4'-8½" | Southern (BR) | Great Central Railway, Loughborough, ENG | overhaul | North British Locomotive Co. #23223, 06/1925 | Named Sir Lamiel. Owned by the National Railway Museum York. Restored to operation in 1982. Taken out of service in October 2017. |
| 3672 | 2-10-0 | 4'-8½" | War Dept. | North Yorkshire Moors Railway, Pickering, ENG | overhaul | North British Locomotive Co. #26165, 1944 | Named Dame Vera Lynn. The overhaul includes a conversion from coal to oil burning and is expected to be completed sometime in 2026. | |
| 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. | |
| 3405 | 25NC | 4-8-4 | 42" | South African Railways | Buckinghamshire Railway Centre, Quainton, ENG | display | North British Locomotive Co. #27291, 1953 | |
| 1744 (69523) | N2/1 | 0-6-2T | 4'-8½" | Great Northern (BR) | Poppy Line (North Norfolk Railway), Sheringham, ENG | operational | North British Locomotive Co. #22600, 02/1921 | Only surviving steam tank locomotive purely designed by Sir Nigel Gresley. Restored to operation in Apr 1994. Taken out of service in Nov 2018 due to a leaky foundation ring. Returned to operation on Jul 17, 2026. |
| 61306 (1306) | B1 | 4-6-0 | 4'-8½" | BR | West Coast Railways Southall, Southall, ENG | operational | North British Locomotive Co. #26207, 1948 | Named Mayflower. Privately owned. 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 | |
| 45593 (5593) | 6P5F (Jubilee) | 4-6-0 | 4'-8½" | BR (LMS) | Tyseley Locomotive Works, Tyseley, ENG | overhaul | North British Locomotive Co. #24151, 1934 | Named Kolhapur. Restored to operation in the 1980s. Previously operated in 1997. Acquired by West Coast Railways Carnforth, Carnforth, ENG in May 2024. |
| 74 | U2 | 4-4-0 | 5'-3" | Northern Counties Committee | Ulster Transport Museum, Ulster, NRL | display | North British Locomotive Co. #23096, 1924 | Named Dunluce Castle. |