| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 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. | |
| 0-4-0ST | 4'-8½" | Babcock & Wilcox | Bo'ness & Kinneil Railway, Bo'ness, SCT | display | Hawthorn Leslie & Co. #3640, 1926 | Named Lord King. | ||
| 37 | 0-4-0ST | 4'-8½" | War Dept. | Isle of Wight Steam Railway, Havenstreet, ENG | operational | Hawthorn Leslie & Co. #3135, 1915 | Named Invincible. | |
| 2 | 0-4-0ST | 4'-8½" | Nobel's Explosives | Tanfield Railway, Marley Hill, ENG | operational | Hawthorn Leslie & Co. #2859, 1911 | ||
| 21 | 0-6-0ST | 4'-8½" | British Steel Corp. | Ribble Steam Railway, Preston, ENG | operational | Hawthorn Leslie & Co. #3931, 1938 | Named Linda. |