| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|
| 1 | | 0-6-0T | 4'-8½" | National Coal Board | Watercress Line (Mid Hants Railway), Alresford, ENG | operational | Hunslet Engine Co. #3781, 1952 | Named Thomas. Converted from an 0-6-0ST type in 1994. |
| TKh49 | 0-6-0T | 4'-8½" | Skawina Metal Works | Swindon & Cricklade Railway, Blunsdon, ENG | operational | Fablok #3135, 1953 | Named Spartan. |
| 1 (32) | | 0-6-0T | 4'-8½" | Manchester Ship Canal | East Lancashire Railway, Bury, ENG | operational | Hudswell, Clarke & Co. #680, 1903 | Named Gothenburg. Fictionally named Thomas. |
| 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. |
| TKh49 | 0-6-0T | 4'-8½" | | Churnet Valley Railway, Cheddleton, ENG | operational | Fablok #2944, 1952 | Named Hotspur. |
| 3014 | | 0-6-0T | 24" | French Army | Apedale Valley Light Railway, Chesterton, ENG | operational | Kerr, Stuart & Co. (Stoke on Trent) #3014, 1916 | Run by the Moseley Railway Trust. |
| W8 (46) | A1X | 0-6-0T | 4'-8½" | Southern | Isle of Wight Steam Railway, Havenstreet, ENG | operational | London, Brighton & South Coast Railway Brighton Work, 1876 | Named Freshwater. Previously named Newington. |
| W11 (40) | A1X | 0-6-0T | 4'-8½" | Southern | Isle of Wight Steam Railway, Havenstreet, ENG | operational | London, Brighton & South Coast Railway Brighton Work, 1878 | Named Newport. Previously named Brighton. |
| 17 | | 0-6-0T | 4'-8½" | Carron Iron Co. | Lakeside & Haverthwaite Railway, Haverthwaite, ENG | operational | Andrew Barclay Sons & Co. #1245, 1911 | Informally named Thomas. |
| 1704 | | 0-6-0T | 4'-8½" | Associated Portland Cement Manufacturers | Ingrow Loco, Ingrow, ENG | operational | Hudswell, Clarke & Co. #1704, 1938 | Named Nunlow. Operated by the Bahamas Locomotive Society. |
| 1 | | 0-6-0T | 30" | Welshpool & Llanfair Light Railway | Welshpool & Llanfair Light Railway, Llanfair Caereinion, WAL | operational | Beyer, Peacock & Co. #3496, 1902 | Named The Earl. |
| 2 | | 0-6-0T | 30" | Welshpool & Llanfair Light Railway | Welshpool & Llanfair Light Railway, Llanfair Caereinion, WAL | operational | Beyer, Peacock & Co. #3497, 1902 | Named Countess. |
| 47406 (16489) | 3F | 0-6-0T | 4'-8½" | BR | Great Central Railway, Loughborough, ENG | operational | Vulcan Foundry #3977, 1926 | |
| 3 | | 0-6-0T | 4'-8½" | Beamish Colliery | Tanfield Railway, Marley Hill, ENG | operational | Robert Stephenson & Co. (Darlington Works) #2730, 1891 | Named Twizell. |
| | 0-6-0T | 600mm | French Army | Lynton & Barnstaple Railway, Martinhoe Cross, ENG | operational | Kerr, Stuart & Co. (Stoke on Trent) #2451, 1915 | Named Axe. |
| | 0-6-0T | 23½" | Stewarts & Lloyds | Welsh Highland Heritage Railway, Porthmadog, WAL | operational | Andrew Barclay Sons & Co. #1578, 1918 | Not affiliated with the Welsh Highland Railway. Named Gertrude. |
| 1 | | 0-6-0T | 4'-8½" | Coltness Iron Co. | Buckinghamshire Railway Centre, Quainton, ENG | operational | North British Locomotive Co. #24564, 1939 | Named Coventry. |
| 3 (32670) | A1X | 0-6-0T | 4'-8½" | Kent & East Sussex Railway (BR) | Kent & East Sussex Railway, Tenterden, ENG | operational | London, Brighton & South Coast Railway Brighton Work, 1872 | Named Bodiam. Previously named Poplar. |
| 32678 (8) | A1X | 0-6-0T | 4'-8½" | BR (Kent & East Sussex Railway) | Kent & East Sussex Railway, Tenterden, ENG | operational | London, Brighton & South Coast Railway Brighton Work, 1880 | Named Knowle. Previously named Bembridge. |
| 65 (22) | S100 | 0-6-0T | 4'-8½" | Southern | Kent & East Sussex Railway, Tenterden, ENG | operational | Vulcan Foundry #4441, 1943 | Named Maunsell. |
| 323 (31323) | P | 0-6-0T | 4'-8½" | South Eastern & Chatham Railway (BR) | Bluebell Railway, Uckfield, ENG | operational | South Eastern & Chatham Railway Ashford Works, 1910 | Named Bluebell. |
| 72 (32636) | A1X | 0-6-0T | 4'-8½" | LBSCR (BR) | Bluebell Railway, Uckfield, ENG | operational | LBSCR Brighton Works, 09/1872 | Named Fenchurch. Taken out of service in 1975 due to extensive cracks in the firebox. Taken out of service again in late 2019. Returned to operation in September 2022. |
| 178 (31178) | P | 0-6-0T | 4'-8½" | South Eastern & Chatham Railway (BR) | Bluebell Railway, Uckfield, ENG | operational | South Eastern & Chatham Railway Ashford Works, 1910 | Named Pioneer II. |
| | 0-6-0T | 15" | Wotton Light Railway | Wotton Light Railway, Wotton Underwood, ENG | private operational | Exmoor Steam Railway Bratton Fleming Works #301, 1996 | Named Sandy. |