| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|
| | 0-4-0WT | 18" | John Knowles | Leeds Industrial Museum at Armley Mills, Armley Mills, ENG | operational | Hunslet Engine Co. #684, 1898 | Named Jack. |
| 18 | | 0-4-0WT | 4'-8½" | Londonberry 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 | |
| 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 | | 0-4-0WT | 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. |
| 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. |
| | 0-4-0WT | 19" | Great Laxey Mine Railway | Great Laxey Mine Railway, Laxey, IOM | operational | Great North Steam #20, 2004 | Replica, named Ant. |
| | 0-4-0WT | 19" | Great Laxey Mine Railway | Great Laxey Mine Railway, Laxey, IOM | operational | Great North Steam #21, 2004 | Replica, named Bee. |
| 11 | | 0-4-0WT | 24" | Solvay Alkai Works | Leighton Buzzard Railway, Leighton Buzzard, ENG | operational | Orenstein & Koppel #5834, 1912 | Named P.C. Allen. |
| 2 (LM 44) | | 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. |
| | 0-4-0WT | 24" | | Richmond Light Railway, Sutton Valence, ENG | private operational | Arnold Jung Lokomotivfabrik #3175, 1921 | Named Jenny. |
| | 0-4-0WT | 22¾" | Lord Penrhyn Slate Quarries (Durham County Waterboard) | Statfold Barn Railway, Tamworth, ENG | stored | Andrew Barclay Sons & Co. #1991, 1931 | Named Cegin, from Bangor, North Wales then Chickamauga, GA, then Manati, Puerto Rico. |
| 6 | | 0-4-0WT | 27" | Airservice Construction Corps | Talyllyn Railway, Tywyn, WAL | operational | Andrew Barclay Sons & Co. #1431, 1918 | Named Douglas. |
| 2 | | 0-4-0WT | 27" | Talyllyn Railway | Talyllyn Railway, Tywyn, WAL | operational | Fletcher, Jennings & Co. #63, 1866 | Named Dolgoch. |