| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 30 | 0-4-0ST | 4'-8½" | Scottish Gas (National Coal Board) | Seaton Park, Aberdeen, SCT | display | Andrew Barclay Sons & Co. #2239, 1947 | Named Mr Therm. | |
| 1 | 0-4-0ST | 4'-8½" | Dailuaine Distillery | Dewar''s Aberfeldy Distillery, Aberfeldy, SCT | display | Andrew Barclay Sons & Co. #2073, 1939 | Named Dailuaine. | |
| 3 | 0-4-0ST | 4'-8½" | Aberdeen Gas Works | Grampian Transport Museum, Alford, SCT | display | Andrew Barclay Sons & Co. #1889, 1926 | ||
| 6 | 0-4-0T | 24" | Minas y Ferrocarril de Utrillas | South Tynedale Railway, Alston, ENG | operational | Henschel & Son #19047, 1918 | Named Thomas Edmondson. | |
| 0-4-0ST | 24" | Cliffe Hill Mineral Railway | Amberley Museum & Heritage Centre, Amberley, ENG | operational | W. G. Bagnall #2067, 1917 | Named Peter. | ||
| 23 | 0-4-0T | 22" | Arthur Guinness, Son & Co | Amberley Museum & Heritage Centre, Amberley, ENG | display | Wm. Spence (Dublin), 1921 | ||
| 0-4-0ST | 24" | Cliffe Hill Mineral Railway | Amerton Railway, Amerton, ENG | operational | W. G. Bagnall #1491, 1897 | Named Isabel. | ||
| 0-4-0ST | 24" | Statfold Barn Railway | Amerton Railway, Amerton, ENG | operational | Hunslet Engine Co. #3905, 2008 | Named Jennie. Previously named Howard. | ||
| 0-4-0WT | 18" | John Knowles | Leeds Industrial Museum at Armley Mills, Armley Mills, ENG | operational | Hunslet Engine Co. #684, 1898 | Named Jack. | ||
| 2 | 0-4-0ST | 4'-8½" | Balmenach Distillery | Strathspey Railway, Aviemore, SCT | stored | Andrew Barclay Sons & Co. #2020, 1936 | Named Balmenach. | |
| 0-4-0ST | 4'-8½" | Central Electricity Generating Board | Strathspey Railway, Aviemore, SCT | restoration | Robert Stephenson & Hawthorns #7386, 1948 | Named Birkenhead. | ||
| 1 | 0-4-0ST | 4'-8½" | Associated Portland Cement | Beamish Museum, Beamish, ENG | restoration | Hawthorn Leslie & Co. #3715, 1928 | Arrived in Beamish Mar 27, 2025. To be cosmetically restored. | |
| 0-4-0T | 4'-8½" | Penrhyn Quarry Railway | Beamish Museum, Beamish, ENG | stored | Hunslet Engine Co. #996, 1909 | Named Edward Sholto. From Illinois. Owned by the Moseley Railway Trust. | ||
| 15 | 0-4-0WT | 24" | Penrhyn Quarry Railway (Durham County Water Board) | Beamish Museum, Beamish, ENG | display | Andrew Barclay Sons & Co. #1994, 1931 | Named Glyder. Moved from the Tony Hulman estate, Terre Haue, IN in 2012. | |
| 18 | 0-4-0WT | 4'-8½" | Londonderry Railway | Beamish Museum, Beamish, ENG | operational | Lewin's Engineering Works #683, 1877 | ||
| 0-4-0WT | 24" | Rio Negro Dam | Devon Railway Centre, Bickleigh, ENG | operational | Orenstein & Koppel #5744, 1912 | |||
| 1 | 0-4-0ST | 4'-8½" | Royal Navy | Pontypool & Blaenavon Railway, Blaenavon, WAL | operational | Andrew Barclay Sons & Co. #1385, 1914 | Named Rosyth. | |
| 0-4-0CT | 4'-8½" | Shelton Iron & Steel Co. | Foxfield Railway, Blythe Bridge, ENG | operational | Dübs & Co. (Scotland) #4101, 1901 | Informally named Dubsy. Only operational crane tank steam locomotive in the world. | ||
| 2 | 0-4-0ST | 4'-8½" | Kent Electric Power Co. | Foxfield Railway, Blythe Bridge, ENG | operational | W. G. Bagnall #2842, 1946 | ||
| 0-4-0ST | 4'-8½" | Beyer, Peacock & Co. | Foxfield Railway, Blythe Bridge, ENG | operational | Beyer, Peacock & Co. #1827, 1879 | |||
| 6 | 0-4-0CT | 4'-8½" | Colvilles Ltd. | Bo'ness & Kinneil Railway, Bo'ness, SCT | display | Andrew Barclay Sons & Co. #2127, 1942 | ||
| 0-4-0ST | 4'-8½" | Babcock & Wilcox | Bo'ness & Kinneil Railway, Bo'ness, SCT | display | Hawthorn Leslie & Co. #3640, 1926 | Named Lord King. | ||
| 6 | 0-4-0ST | 4'-8½" | National Coal Board | Bo'ness & Kinneil Railway, Bo'ness, SCT | restoration | Andrew Barclay Sons & Co. #2043, 1937 | ||
| 0-4-0ST | 4'-8½" | Aberdeen Gas Works | Bo'ness & Kinneil Railway, Bo'ness, SCT | stored | Black Hawthorn #912, 1887 | Named City of Aberdeen. | ||
| 3 | 0-4-0ST | 4'-8½" | South Scotland Electricity Board | Bo'ness & Kinneil Railway, Bo'ness, SCT | stored | Andrew Barclay Sons & Co. #1937, 1928 | ||
| 42 | G | 0-4-0ST | 4'-8½" | North British Railway | Bo'ness & Kinneil Railway, Bo'ness, SCT | display | Cowlairs, 1887 | |
| 5 | 0-4-0ST | 4'-8½" | National Coal Board | Bo'ness & Kinneil Railway, Bo'ness, SCT | stored | Hunslet Engine Co. #3837, 1955 | ||
| 0-4-0T | 36" | British Aluminium Co. | Bo'ness & Kinneil Railway, Bo'ness, SCT | display | Andrew Barclay Sons & Co. #840, 1899 | Named Fair Maid of Foyers. | ||
| 13 | 0-4-0T | 4'-8½" | National Coal Board | Bo'ness & Kinneil Railway, Bo'ness, SCT | display | Neilson Reid & Co. #2203, 1876 | Named Kelton Fell. | |
| 1 | 0-4-0WT | 4'-8½" | Beckton Gasworks | Bo'ness & Kinneil Railway, Bo'ness, SCT | display | Neilson Reid & Co. #1561, 1870 | ||
| 0-4-0ST | 4'-8½" | Port of Par | Bodmin & Wenford Railway, Bodmin, ENG | restoration | W. G. Bagnall #3058, 1953 | Named Alfred. | ||
| 0-4-0ST | 4'-8½" | Port of Par | Bodmin & Wenford Railway, Bodmin, ENG | operational | W. G. Bagnall #2572, 1937 | Named Judy. | ||
| D249 | 0-4-0WT | 4'-8½" | Fairfield-Mabey | Flour Mill Ltd, Bream, ENG | private operational | Kerr, Stuart & Co. (Stoke on Trent) #3063, 1918 | Named Willy. | |
| 1 | 0-4-0ST | 4'-8½" | Cupar Sugar Beet Factory | Caledonian Railway, Brechin, SCT | operational | Andrew Barclay Sons & Co. #1863, 1926 | ||
| 1 | 0-4-0ST | 4'-8½" | British Aluminium Co. | Caledonian Railway, Brechin, SCT | display | Peckett & Sons #1376, 1915 | ||
| 4 | 0-4-0ST | 24" | Ministry of Munitions | Bredgar & Wormshill Light Railway, Bredgar, ENG | private operational | W. G. Bagnall #2088, 1919 | Named Armistice. | |
| 0-4-0ST | 24" | Dinorwic Quarry | Bredgar & Wormshill Light Railway, Bredgar, ENG | private operational | Hunslet Engine Co. #1429, 1922 | Named Lady Joan. | ||
| 1 | 0-4-0WT | 24" | Norddeutsche Affinerie | Bredgar & Wormshill Light Railway, Bredgar, ENG | private operational | Berliner Maschinenbau #9124, 1927 | Named Bronhilde. | |
| 6 | 0-4-0WT | 24" | Penrhyn Quarry Railway | Bredgar & Wormshill Light Railway, Bredgar, ENG | private operational | Orenstein & Koppel #5668, 1912 | Named Eigiau. | |
| 0-4-0ST | 24" | London Museum of Water & Steam | London Museum of Water & Steam, Brentford, ENG | operational | Hunslet Engine Co. #3906, 2009 | Named Thomas Wickstead. | ||
| 8 (47) | 0-4-0ST | 4'-8½" | Royal Ordnance Factory | Mangapps Railway Museum, Burnham-on-Crouch, ENG | operational | Andrew Barclay Sons & Co. #2157, 1943 | Named Fambridge. From the National Coal Board. | |
| 293 | 0-4-0ST | 4'-8½" | N. Greening | Chasewater Railway, Burntwood, ENG | operational | Andrew Barclay Sons & Co. #1223, 1911 | ||
| 0-4-0ST | 4'-8½" | Yates & Duxbury | East Lancashire Railway, Bury, ENG | operational | Peckett & Sons #1370, 1915 | Named May. | ||
| 1 | 0-4-0T | 36" | British Aluminium Co. | Giant's Causeway & Bushmills Railway, Bushmills, NRL | stored | Peckett & Sons #1026, 1904 | Named Tyrone. | |
| 3 | BM 1-3 | 0-4-0WT | 36" | Bord na Mona | Giant's Causeway & Bushmills Railway, Bushmills, NRL | stored | Andrew Barclay Sons & Co. #2265, 1949 | Named Shane. |
| 1163 | 0-4-0ST | 4'-8½" | Whitehead Hill & Co. | Midland Railway - Butterley, Butterley, ENG | operational | Peckett & Sons #1163, 1908 | Named Whitehead. Fictionally named Taffy. | |
| 4 | 0-4-0ST | 4'-8½" | Brown Baileys | Midland Railway - Butterley, Butterley, ENG | display | Nasmyth Wilson & Co. #454, 1894 | Named Oswald. | |
| 0-4-0ST | 4'-8½" | Central Electricity Generating Board | Northampton & Lamport Railway, Chapel Brampton, ENG | operational | Peckett & Sons #2104, 1948 | |||
| 361 | 0-4-0ST | 4'-8½" | Ministry of Defence | Historic Dockyard, Chatham, Chatham, ENG | operational | Robert Stephenson & Hawthorns #7042, 1941 | Named Ajax. | |
| 0-4-0ST | 4'-8½" | South Wales Warehouses | Historic Dockyard, Chatham, Chatham, ENG | operational | Peckett & Sons #1903, 1936 | Named Little Lady. | ||
| 0-4-0ST | 4'-8½" | Keighley & Worth Valley | Churnet Valley Railway, Cheddleton, ENG | stored | Andrew Barclay Sons & Co. #2226 | Named Katie. From a nearby garden center. | ||
| 0-4-0T | 15" | Eaton Railway | Eaton Estate, Chester, ENG | private operational | FMB Engineering Co., 1994 | Replica. Named Katie. | ||
| 12 | 0-4-0ST | 24" | Penrhyn Quarry Railway (Durham County Water Board) | Apedale Valley Light Railway, Chesterton, ENG | operational | Avonside Engine (Bristol) #2066, 1933 | Named Ogwen. In 2012 moved from Terre Haute, IN to Beamish Museum, Beamish, County Durham, UK. | |
| 11 | 0-4-0ST | 4'-8½" | National Coal Board | Summerlee Heritage Park, Coatbridge, SCT | display | Gibb & Gogg #16, 1898 | ||
| M5 | 0-4-0ST | 4'-8½" | Derbyshire Stone Quarries | unknown, Congleton, ENG | stored | Peckett & Sons #1555, 1920 | Named Ivor. | |
| 2 | 0-4-0ST | 4'-8½" | United Steel Companies | Rocks by Rail: the Living Ironstone Museum, Cottesmore, ENG | operational | Andrew Barclay Sons & Co. #1931, 1927 | ||
| 0-4-0ST | 4'-8½" | Cottesmore Ironstone Quarry | Rocks by Rail: the Living Ironstone Museum, Cottesmore, ENG | operational | Andrew Barclay Sons & Co. #2088, 1940 | Named Sir Thomas Royden. | ||
| 1719 | 0-4-0ST | 4'-8½" | Hurlford Fireclay Works | East Somerset Railway, Cranmore, ENG | operational | Andrew Barclay Sons & Co. #1719, 1920 | Named Lady Nan. | |
| 1 | 0-4-0ST | 4'-8½" | Northern Gas Board | Darlington Railway Preservation Society, Darlington, ENG | overhaul | Peckett & Sons #2142, 1953 | ||
| 1338 | 0-4-0ST | 4'-8½" | GWR (Cardiff) | Didcot Railway Centre, Didcot, ENG | display | Kitson & Co. #3799, 1898 | Restored to operation in 1987. Debuted in excursion service in 2000. Previously operated in June 2007. The boiler certificate has expired and the locomotive is on display in non-operational condition. | |
| 994 | 0-4-0ST | 24" | Penrhyn Quarry Railway | Bressingham Steam Museum & Gardens, Diss, ENG | operational | Hunslet Engine Co. #994, 1909 | Named George Sholto. Previously named Bill Harvey. | |
| 102 | B4 | 0-4-0T | 4'-8½" | LSWR | Bressingham Steam Museum & Gardens, Diss, ENG | display | LSWR Nine Elms Works #406, 1893 | Named Granville. |
| 22 | 0-4-0T | 22" | Arthur Guinness, Son & Co | Cavan and Leitrim Railway, Dromod, IRL | display | Wm. Spence (Dublin), 1912 | ||
| 17 | 0-4-0T | 22" | Arthur Guinness, Son & Co | Guinness Storehouse, Dublin, IRL | display | Wm. Spence (Dublin), 1902 | ||
| 29 | 0-4-0ST | 4'-8½" | National Coal Board | Pittencrieff Park, Dunfermline, SCT | display | Andrew Barclay Sons & Co. #1996, 1934 | ||
| 0-4-0 | 4'-8½" | Wylam Colliery | National Museum of Scotland, Edinburgh, SCT | display | William Hedley, 1813 | Named Wylam Dilly. Geared. | ||
| 0-4-0WT | 4'-8½" | National Coal Board | National Museum of Scotland, Edinburgh, SCT | display | Hawthorn of Leith #244, 1861 | Named Ellesmere. | ||
| 0-4-0ST | 12¼" | Reseau Guerledan | Fairbourne Railway, Fairbourne, WAL | operational | Milner Engineering, 1978 | Miniature replica. Named Sherpa. Previously named France. | ||
| 3 | 0-4-0ST | 24" | Provan Gas Works | Kempton Steam Railway, Feltham, ENG | operational | Andrew Barclay Sons & Co. #984, 1903 | Named Darent. | |
| 0-4-0ST | 4'-8½" | Holborough Cement Co. | Fifield Central, Fifield, ENG | private operational | Peckett & Sons #1756, 1928 | Named Hornpipe. | ||
| 22 | 0-4-0ST | 4'-8½" | National Coal Board | Bowes Railway, Gateshead, ENG | operational | Andrew Barclay Sons & Co. #2274, 1949 | ||
| 1 | 0-4-0GT | 4'-8½" | Northhampton Gas Works | Glasgow Museums Resource Centre, Glasgow, SCT | display | Alexander Chaplin & Co. #2368, 1885 | ||
| 37 | 0-4-0ST | 4'-8½" | War Dept. | Isle of Wight Steam Railway, Havenstreet, ENG | operational | Hawthorn Leslie & Co. #3135, 1915 | Named Invincible. | |
| 0-4-0ST | 24" | Penrhyn Quarry Railway | Teifi Valley Railway, Henllan, WAL | operational | Hunslet Engine Co. #606, 1894 | Named Alan George. | ||
| 21 (34) | 0-4-0WT | 24" | Minas y Ferrocarril de Utrillas | West Lancashire Light Railway, Hesketh Bank, ENG | operational | Orenstein & Koppel #6641, 1913 | Named Montalban. | |
| 22 (35) | 0-4-0WT | 24" | Minas y Ferrocarril de Utrillas | West Lancashire Light Railway, Hesketh Bank, ENG | operational | Orenstein & Koppel #2378, 1907 | Named Utrillas. | |
| 0-4-0ST | 4'-8½" | Courtaulds Ltd. | Telford Steam Railway, Horsehay, ENG | operational | Peckett & Sons #1722, 1926 | Named Rocket. | ||
| 1 | PT 1-2 | 0-4-0 | 36" | Portstewart Tramway | Streetlife Museum of Transport, Hull, ENG | display | Kitson & Co. #T56, 1882 | |
| 0-4-0ST | 4'-8½" | Royal Ordnance Factory | Barclay House, Kilmarnock, SCT | display | Andrew Barclay Sons & Co. #2086, 1940 | Named Drake. | ||
| 0-4-0ST | 4'-8½" | South Durham & Lancashire Union Railway | Stainmore Railway Co., Kirkby Stephen, ENG | operational | Peckett & Sons #2084, 1948 | Named F.C. Tingey. | ||
| 3 | 0-4-0ST | 4'-8½" | National Coal Board | Thomas Muir Metals, Kirkcaldy, SCT | stored | Andrew Barclay Sons & Co. #946, 1902 | ||
| 53 | 0-4-0ST | 4'-8½" | National Coal Board | Thomas Muir Metals, Kirkcaldy, SCT | stored | Andrew Barclay Sons & Co. #1807, 1923 | ||
| 22 | 0-4-0ST | 4'-8½" | National Coal Board | Thomas Muir Metals, Kirkcaldy, SCT | stored | Andrew Barclay Sons & Co. #1069, 1906 | ||
| 7 | 0-4-0ST | 4'-8½" | National Coal Board | Thomas Muir Metals, Kirkcaldy, SCT | stored | Andrew Barclay Sons & Co. #2262, 1949 | ||
| 10 | 0-4-0ST | 24" | West of Fife Munitions Railway | Lathalmond Railway Museum, Lathalmond, SCT | operational | North Bay Railway Engineering Co. #2021 | Named Big Dave. | |
| 17 | 0-4-0ST | 24" | National Coal Board | Lathalmond Railway Museum, Lathalmond, SCT | restoration | Andrew Barclay Sons & Co. #2296, 1952 | ||
| 29 | 0-4-0ST | 4'-8½" | National Coal Board | Lathalmond Railway Museum, Lathalmond, SCT | restoration | Andrew Barclay Sons & Co. #1142, 1908 | ||
| 0-4-0ST | 23½" | Penrhyn Quarry Railway | Launceston Steam Railway, Launceston, ENG | operational | Hunslet Engine Co. #317, 1883 | Named Lilian. | ||
| 0-4-0ST | 23½" | Dinorwic Quarry | Launceston Steam Railway, Launceston, ENG | operational | Hunslet Engine Co. #679, 1898 | Named Covertcoat. | ||
| 0-4-0ST | 23½" | Dorothea Quarry | Launceston Steam Railway, Launceston, ENG | operational | Hunslet Engine Co. #763, 1901 | Named Dorothea. | ||
| 0-4-0WT | 19" | Great Laxey Mine | Great Laxey Mine Railway, Laxey, IOM | operational | Great North Steam #21, 2004 | Replica, named Bee. | ||
| 0-4-0WT | 19" | Great Laxey Mine | Great Laxey Mine Railway, Laxey, IOM | operational | Great North Steam #20, 2004 | Replica, named Ant. | ||
| 0-4-0ST | 24" | Callender Cable & Construction Co. | Alan Keef Ltd, Lea, ENG | private operational | W. G. Bagnall #2133, 1924 | Named Woto. Can be seen during annual open days. | ||
| 0-4-0T | 24" | Leadhills & Wanlockhead Railway, Leadhills, SCT | restoration | Orenstein & Koppel #6335, 1913 | Named Charlotte. | |||
| 12A | 0-4-0T | 24" | Leadhills & Wanlockhead Railway, Leadhills, SCT | restoration | Decauville #917, 1915 | |||
| 1310 | H (Y7) | 0-4-0T | 4'-8½" | North Eastern | Middleton Railway, Leeds, ENG | operational | North Eastern Railway Gateshead Works #38, 1891 | |
| 1 | 0-4-0ST | 24" | Minworth Sewage Works | Abbey Pumping Station, Leicester, ENG | operational | W. G. Bagnall #2087, 1919 | Named Leonard. | |
| 0-4-0ST | 22¾" | Dinorwic Quarry | Leighton Buzzard Railway, Leighton Buzzard, ENG | restoration | Avonside Engine (Bristol) #2071, 1933 | Named Elidr, from Bolton, then the South Simcoe Railray, Tottenham, Ontario | ||
| 3 | 0-4-0T | 24" | Hoogly Docking & Engineering Co. | Leighton Buzzard Railway, Leighton Buzzard, ENG | operational | Baguley Cars #2007, 1921 | Named Rishra. | |
| 11 | 0-4-0WT | 24" | Solvay Alkai Works | Leighton Buzzard Railway, Leighton Buzzard, ENG | operational | Orenstein & Koppel #5834, 1912 | Named P.C. Allen. | |
| 21 | 0-4-0ST | 4'-8½" | National Coal Board | Fife Heritage Railway, Leven, SCT | restoration | Andrew Barclay Sons & Co. #2292, 1951 | ||
| 10 | 0-4-0ST | 4'-8½" | Granton Gasworks | Fife Heritage Railway, Leven, SCT | operational | Andrew Barclay Sons & Co. #1890, 1926 | Named Forth. | |
| 3 | 0-4-0ST | 4'-8½" | British Aluminium Co. | Fife Heritage Railway, Leven, SCT | display | Andrew Barclay Sons & Co. #2046, 1937 | From the Bo'ness & Kinneil Railway, Bo'ness. Cosmetically restored in 2020. | |
| 38 | 0-4-0ST | 24" | Dinorwic Quarry | Hollycombe Working Steam Museum, Liphook, ENG | operational | Hunslet Engine Co. #638, 1895 | Named Jerry M. | |
| 2 | 0-4-0ST | 23½" | Dinorwic Quarry | Llanberis Lake Railway, Llanberis, WAL | operational | Hunslet Engine Co. #849, 1904 | Named Thomas Bach. Previously named Wild Aster. | |
| 3 (293) | 0-4-0ST | 23½" | Port Dinorwic | Llanberis Lake Railway, Llanberis, WAL | operational | Hunslet Engine Co. #1430, 1922 | Named Dolbadarn. | |
| 1 | 0-4-0ST | 23½" | Dinorwic Quarry | Llanberis Lake Railway, Llanberis, WAL | operational | Hunslet Engine Co. #493, 1889 | Named Elidir. Previously named Enid and Red Damsel. | |
| 0-4-0ST | 23½" | Dinorwic Quarry | National Slate Museum, Llanberis, WAL | operational | Hunslet Engine Co. #873, 1905 | Named Una. | ||
| 8 | 0-4-0ST | 24" | Penrhyn Quarry Railway | Bala Lake Railway, Llanuwchllyn, WAL | operational | Hunslet Engine Co. #364, 1885 | Named Winifred. Moved from the Indianapolis Motor Speedway warehouse, Terre Haute, IN in 2012. | |
| 3 | 0-4-0ST | 24" | Dinorwic Quarry | Bala Lake Railway, Llanuwchllyn, WAL | operational | Hunslet Engine Co. #779, 1902 | Named Holy War. | |
| 0-4-0ST | 24" | Dinorwic Quarry | Bala Lake Railway, Llanuwchllyn, WAL | operational | Hunslet Engine Co. #780, 1902 | Named Alice. | ||
| 0-4-0ST | 24" | Dinorwic Quarry | Bala Lake Railway, Llanuwchllyn, WAL | operational | Hunslet Engine Co. #822, 1903 | Named Maid Marian. | ||
| 2 | 0-4-0ST | 4'-8½" | Cawdor Quarry | Lincolnshire Wolds Railway, Ludborough, ENG | operational | Peckett & Sons #1749, 1928 | Named Fulstow. | |
| 0-4-0 | 15" | Rhiw Valley Light Railway | Rhiw Valley Light Railway, Manafon, WAL | operational | TMA Engineering #25657, 2003 | Named Jack. | ||
| 1 | 0-4-0ST | 4'-8½" | Central Electricity Generating Board | Manchester Museum of Science & Industry, Manchester, ENG | operational | Robert Stephenson & Hawthorns #7416, 1948 | Named Agecroft. | |
| 2 | 0-4-0ST | 4'-8½" | Nobel's Explosives | Tanfield Railway, Marley Hill, ENG | operational | Hawthorn Leslie & Co. #2859, 1911 | ||
| 0-4-0ST | 4'-8½" | Redheugh Gas Works | Tanfield Railway, Marley Hill, ENG | operational | Robert Stephenson & Hawthorns #7409, 1948 | Named Sir Cecil A. Cochrane. | ||
| 8 | 0-4-0ST | 4'-8½" | National Coal Board | Royal Deeside Railway, Milton of Crathes, SCT | stored | Peckett & Sons #2110, 1950 | ||
| 2 | 0-4-0ST | 4'-8½" | Scottish Gas | Royal Deeside Railway, Milton of Crathes, SCT | operational | Andrew Barclay Sons & Co. #807, 1897 | Named Bon Accord. | |
| 4 | 0-4-0 | 15" | Romney, Hythe & Dymchurch Railway | Romney, Hythe & Dymchurch Railway, New Romney, ENG | operational | Locomotivfabrik Krauss & Co. #8378, 1926 | Named The Bug. | |
| 21 | 0-4-0ST | 4'-8½" | National Coal Board | National Mining Museum, Newtongrange, SCT | display | Andrew Barclay Sons & Co. #2284, 1949 | ||
| 3 | 0-4-0ST | 4'-8½" | Newbattle Colliery | National Mining Museum, Newtongrange, SCT | display | Andrew Barclay Sons & Co. #1458, 1916 | Named Lady Victoria. | |
| 0-4-0ST | 24" | Groudle Glen Railway | Groudle Glen Railway, Onchan, IOM | operational | North Bay Railway Engineering Co., 2019 | Named Otter. | ||
| 6 | 0-4-0ST | 4'-8½" | Irlam Soap Works | Cambrian Heritage Railways, Oswestry, ENG | operational | Peckett & Sons #2131, 1951 | Named Oliver Veltom. | |
| 0-4-0ST | 23½" | Pen-yr-Orsedd Quarry | Ffestiniog & Welsh Highland Railways, Porthmadog, WAL | operational | Hunslet Engine Co. #707, 1899 | Named Britomart. Operates on the Ffestiniog Railway. | ||
| 0-4-0ST | 23½" | Penrhyn Quarry Railway | Ffestiniog & Welsh Highland Railways, Porthmadog, WAL | operational | Hunslet Engine Co. #855, 1905 | Owned by the National Trust. Named Hugh Napier. Operates on the Ffestiniog Railway. | ||
| 0-4-0ST | 22¾" | Penrhyn Quarry Railway | Ffestiniog & Welsh Highland Railways, Porthmadog, WAL | restoration | Hunslet Engine Co. #704, 1899 | Named Nesta, from Bangor, North Wales then Chickamauga, GA, then Manati, Puerto Rico. | ||
| 6 | 0-4-0ST | 4'-8½" | National Coal Board | Ribble Steam Railway, Preston, ENG | operational | Andrew Barclay Sons & Co. #2261, 1949 | Named Fife Flyer. | |
| 2 | 0-4-0ST | 4'-8½" | Southern Gas Board | Helston Railway, Prospidnick, ENG | restoration | Peckett & Sons #2100, 1949 | Named William Murdoch. | |
| 0-4-0ST | 4'-8½" | Associated Portland Cement Manufacturers | Buckinghamshire Railway Centre, Quainton, ENG | operational | Andrew Barclay Sons & Co. #699, 1891 | Named Swanscombe. | ||
| V75 | 0-4-0ST | 4'-8½" | Frazer & Chalmers | Buckinghamshire Railway Centre, Quainton, ENG | operational | W. G. Bagnall #2469, 1932 | Named Scott. | |
| 1 | 0-4-0ST | 4'-8½" | Millom & Askam Hematite Iron Co. | Buckinghamshire Railway Centre, Quainton, ENG | operational | Hudswell, Clarke & Co. #1742, 1946 | Named Millom. | |
| 2087 (55) | 0Y1 | 0-4-0ST | 4'-8½" | Courtaulds Ltd. | Buckinghamshire Railway Centre, Quainton, ENG | operational | Peckett & Sons #2087, 1948 | Named Gibraltar. Previously named Dafydd, then Miranda. |
| 0-4-0ST | 4'-8½" | Central Electricity Generating Board | Buckinghamshire Railway Centre, Quainton, ENG | operational | Peckett & Sons #2105, 1951 | Named Rokeby. | ||
| 0-4-0ST | 4'-8½" | Royal Navy | Whitwell & Reepham Railway, Reepham, ENG | operational | Andrew Barclay Sons & Co. #2199, 1945 | Named Victory. | ||
| 4 | 0-4-0ST | 4'-8½" | Central Electricity Generating Board | Rushden Transport Museum & Railway, Rushden, ENG | operational | Andrew Barclay Sons & Co. #2168, 1940 | Named Edmundsons. | |
| 1 | 0-4-0ST | 4'-8½" | Central Electricity Generating Board | Appleby Frodingham Railway Preservation Society, Scunthorpe, ENG | operational | Peckett & Sons #1438, 1916 | ||
| 0-4-0ST | 4'-8½" | Central Electricity Generating Board | Poppy Line (North Norfolk Railway), Sheringham, ENG | operational | W. G. Bagnall #2565, 1936 | From the Mid-Suffolk Light Railway Museum, Wetheringsett, England. | ||
| 20 | A5 | 0-4-0 | 4'-8½" | Furness Railway | Locomotion: the National Railway Museum at Shildon, Shildon, ENG | operational | Sharp, Stewart & Co. #1448, 1863 | Oldest operational standard gauge steam locomotive in the UK. |
| 1 | 0-4-0ST | 4'-5" | Lee Moor Tramway | Wheal Martyn Clay Works, St. Austell, ENG | display | Peckett & Sons #783, 1899 | Named Lee Moor. | |
| 15 | 0-4-0T | 22" | Arthur Guinness, Son & Co | Stradbally Woodland Railway, Stradbally, IRL | display | Wm. Spence (Dublin), 1902 | ||
| 2 (LM 44) | BM 1-3 | 0-4-0WT | 36" | Bord na Mona | Stradbally Woodland Railway, Stradbally, IRL | operational | Andrew Barclay Sons & Co. #2264, 1949 | Run by the Irish Steam Preservation Society. |
| 0-4-0T | 24" | Richmond Light Railway, Sutton Valence, ENG | private operational | Orenstein & Koppel #3136, 1908 | Named Susan. | |||
| 0-4-0WT | 24" | Richmond Light Railway, Sutton Valence, ENG | private operational | Arnold Jung Lokomotivfabrik #3175, 1921 | Named Jenny. | |||
| 1 | 0-4-0 | 24" | Ryam Sugar Co. | Statfold Barn Railway, Tamworth, ENG | private operational | Davenport Locomotive Works #1650, 1918 | ||
| 0-4-0ST | 24" | Penrhyn Quarry Railway | Statfold Barn Railway, Tamworth, ENG | private operational | Hunslet Engine Co. #921, 1906 | Named Sybil Mary. | ||
| 0-4-0ST | 24" | Statfold Barn Railway | Statfold Barn Railway, Tamworth, ENG | private operational | Hunslet Engine Co. #3903, 2005 | Named Statfold. | ||
| 0-4-0ST | 24" | Statfold Barn Railway | Statfold Barn Railway, Tamworth, ENG | private operational | Hunslet Engine Co. #3904, 2007 | Named Jack Lane. | ||
| 0-4-0T | 22¾" | Penrhyn Quarry Railway | Statfold Barn Railway, Tamworth, ENG | operational | Avonside Engine (Bristol) #2067, 1933 | Named Marchlyn. From Whistles in the Wind, Rossville, GA. Moved from Concert Park, Chattanooga, TN in 2011. Restored to operation in 2022. | ||
| 0-4-0T | 24" | Dinorwic Quarry | Statfold Barn Railway, Tamworth, ENG | private display | Hunslet Engine Co. #492, 1889 | Named King of the Scarlets. From Langstaff, Ontario, CAN. | ||
| 0-4-0T | 24" | Dinorwic Quarry | Statfold Barn Railway, Tamworth, ENG | private display | Hunslet Engine Co. #1709, 1932 | Named Michael. From Langstaff, Ontario, CAN. | ||
| 0-4-0T | 24" | Avonmouth Smelting | Statfold Barn Railway, Tamworth, ENG | private operational | Kerr, Stuart & Co. (Stoke on Trent) #3128, 1918 | From Langstaff, Ontario, CAN. | ||
| 0-4-0T | 24" | Penrhyn Quarry Railway (Welsh Slate) | Statfold Barn Railway, Tamworth, ENG | display | Hunslet Engine Co. #995, 1909 | Named Gertrude. From the Ontario Science Centre, Toronto, Ontario, Canada. | ||
| 0-4-0T | 24" | Penrhyn Quarry Railway | Statfold Barn Railway, Tamworth, ENG | private operational | Avonside Engine (Bristol) #2067, 1933 | Named Marchlyn. | ||
| 2 | 0-4-0VB | 24" | Statfold Barn Railway | Statfold Barn Railway, Tamworth, ENG | private operational | Wilbrighton Wagon Works #2, 2007 | Named Paddy. | |
| 0-4-0WT | 22¾" | Penrhyn Quarry Railway (Durham County Waterboard) | Statfold Barn Railway, Tamworth, ENG | operational | Andrew Barclay Sons & Co. #1991, 1931 | Named Cegin. From Bangor, North Wales, then Chickamauga, GA, then Manati, Puerto Rico. | ||
| 0-4-0ST | 24" | Callender Cable & Construction Co. | Threlkeld Quarry & Mining Museum, Threlkeld, ENG | operational | W. G. Bagnall #2135, 1926 | Named Sir Tom. | ||
| 4 | 0-4-0ST | 4'-8½" | Central Electricity Generating Board | Kingfisher Line, Titley, ENG | operational | Peckett & Sons #1738, 1928 | ||
| 7 | 0-4-0ST | 24" | North Gloucestershire Railway, Toddington, ENG | operational | Arnold Jung Lokomotivfabrik #939, 1906 | Named Justine. | ||
| 6 | 0-4-0ST | 4'-8½" | Falmouth Docks & Engineering | Poldark Mining Museum, Trenear, ENG | restoration | Peckett & Sons #1530, 1919 | ||
| 0-4-0ST | 4'-8½" | Horsely Bridge & Thomas Piggot Ltd. | Pallot Steam Motor & General Museum, Trinity, JER | display | W. G. Bagnall #2450, 1931 | Named J.T. Daly. | ||
| 0-4-0ST | 4'-8½" | Courtaulds Ltd. | Pallot Steam Motor & General Museum, Trinity, JER | display | Peckett & Sons #2085, 1948 | Named Foleshill. | ||
| 60130 | 0-4-0ST | 4'-8½" | Crane Ltd | Pallot Steam Motor & General Museum, Trinity, JER | operational | Peckett & Sons #2129, 1952 | Named Kestral. | |
| 1 (6) | 0-4-0ST | 4'-8½" | General Electric Co. (UK) | Tyseley Locomotive Works, Tyseley, ENG | private operational | Peckett & Sons #2004, 1942 | Named Percy. | |
| 13 | 0-4-0T | 22" | Arthur Guinness, Son & Co | Talyllyn Railway, Tywyn, WAL | display | Wm. Spence (Dublin), 1895 | ||
| 2 | 0-4-0WT | 27" | Talyllyn Railway | Talyllyn Railway, Tywyn, WAL | operational | Fletcher, Jennings & Co. #63, 1866 | Named Dolgoch. | |
| 6 | 0-4-0WT | 27" | Talyllyn Railway (Airservice Construction Corps) | Talyllyn Railway, Tywyn, WAL | operational | Andrew Barclay Sons & Co. #1431, 1918 | Named Douglas. | |
| 3 | 0-4-0T | 4'-8½" | Dorking Greystone Lime Co. | Bluebell Railway, Uckfield, ENG | operational | Fletcher, Jennings & Co. #158, 1877 | Named Captain Baxter. | |
| 96 | B4 | 0-4-0T | 4'-8½" | LSWR | Bluebell Railway, Uckfield, ENG | overhaul | LSWR Nine Elms Works #396, 1893 | Named Normandy. |
| 2 | PT 1-2 | 0-4-0 | 36" | Portstewart Tramway | Ulster Transport Museum, Ulster, NRL | display | Kitson & Co. #T84, 1883 | |
| 2 | 0-4-0T | 36" | British Aluminium Co. | Ulster Transport Museum, Ulster, NRL | display | Peckett & Sons #1097, 1906 | ||
| 20 | 0-4-0T | 22" | Arthur Guinness, Son & Co | Ulster Transport Museum, Ulster, NRL | display | Wm. Spence (Dublin), 1905 | ||
| 0-4-0ST | 4'-8½" | Bowaters Paper Railway | East Anglian Railway Museum, Wakes Colne, ENG | operational | W. G. Bagnall #2542, 1936 | Named Jubilee. | ||
| 8 | 0-4-0F | 4'-8½" | Shell Petroleum | Scottish Industrial Railway Centre, Waterside, SCT | operational | Andrew Barclay Sons & Co. #1952, 1928 | Only operational fireless steam locomotive in the UK. | |
| 16 | 0-4-0ST | 4'-8½" | Dalmellington Iron Co. | Scottish Industrial Railway Centre, Waterside, SCT | display | Andrew Barclay Sons & Co. #1116, 1910 | ||
| 19 | 0-4-0ST | 4'-8½" | Dalmellington Iron Co. | Scottish Industrial Railway Centre, Waterside, SCT | display | Andrew Barclay Sons & Co. #1614, 1918 | ||
| 10 | 0-4-0ST | 4'-8½" | National Coal Board | Scottish Industrial Railway Centre, Waterside, SCT | operational | Andrew Barclay Sons & Co. #2244, 1947 | ||
| 23 | 0-4-0ST | 4'-8½" | National Coal Board | Scottish Industrial Railway Centre, Waterside, SCT | stored | Andrew Barclay Sons & Co. #2260, 1949 | ||
| 1 | 0-4-0ST | 4'-8½" | National Coal Board | Scottish Industrial Railway Centre, Waterside, SCT | stored | Andrew Barclay Sons & Co. #2368, 1955 | ||
| 29 | 0-4-0ST | 4'-8½" | South Scotland Electricity Board | Mid-Suffolk Light Railway Museum, Wetheringsett, ENG | operational | Andrew Barclay Sons & Co. #2315, 1951 | Named Lady Ingrid. | |
| 985 (68088) | Y7 (H) | 0-4-0T | 4'-8½" | LNER | Mid-Suffolk Light Railway Museum, Wetheringsett, ENG | operational | LNER Darlington Works #1205, 1923 | From the Poppy Line (North Norfolk Railway), Sheringham, England. |
| 8 | 0-4-0ST | 4'-8½" | National Coal Board | Polkemmet County Park, Whitburn, SCT | display | Andrew Barclay Sons & Co. #1175, 1909 | Named Dardanelles. | |
| 3 | 0-4-0ST | 5'-3" | Arthur Guinness, Son & Co | Railway Preservation Society of Ireland, Whitehead, NRL | operational | Hudswell, Clarke & Co. #1152, 1919 | Named Guinness. | |
| 0-4-0 | 4'-8½" | Canerbury & Whitstable | Whitstable Community Museum, Whitstable, ENG | display | Robert Stephenson & Co. (Darlington Works) #20, 1820 | Named Invicta. | ||
| 0-4-0ST | 4'-8½" | Kilnhurst Tar Works | Ecclesbourne Valley Railway, Wirksworth, ENG | operational | Andrew Barclay Sons & Co. #2217, 1947 | Named Henry Ellison. | ||
| 3 | 0-4-0ST | 4'-8½" | Central Electricity Generating Board | Ecclesbourne Valley Railway, Wirksworth, ENG | operational | Andrew Barclay Sons & Co. #2360, 1954 | Named Brian Harrison. | |
| 0-4-0ST | 4'-8½" | Cafferata Co | Bere Ferrers Station, Yelverton, ENG | restoration | Peckett & Sons #1963, 1938 | Named Hilda. | ||
| 0-4-0ST | 4'-8½" | War Dept. | Yeovil Railway Centre, Yeovil, ENG | operational | Andrew Barclay Sons & Co. #1398, 1915 | Named Lord Fisher. |