| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 0-4-0WT | 24" | Rio Negro Dam | Devon Railway Centre, Bickleigh, ENG | operational | Orenstein & Koppel #5744, 1912 | |||
| 6 | 0-4-0WT | 24" | Penrhyn Quarry Railway | Bredgar & Wormshill Light Railway, Bredgar, ENG | private operational | Orenstein & Koppel #5668, 1912 | Named Eigiau. | |
| 3 | OK CSÉT | 0-4-0T+WT | 5'-3" | Comlucht Suicre Eireann | Downpatrick & Country Down Railway, Downpatrick, NRL | operational | Orenstein & Koppel #12662, 1935 | |
| 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. | |
| 11 | 0-4-0WT | 24" | Solvay Alkai Works | Leighton Buzzard Railway, Leighton Buzzard, ENG | operational | Orenstein & Koppel #5834, 1912 | Named P.C. Allen. | |
| 5 | 0-6-0WT | 24" | Likomba Development Co. | Leighton Buzzard Railway, Leighton Buzzard, ENG | operational | Orenstein & Koppel #12740, 1936 | Named Elf. | |
| 0-4-0T | 24" | Richmond Light Railway, Sutton Valence, ENG | private operational | Orenstein & Koppel #3136, 1908 | Named Susan. |