| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 12 | 0-6-0T | 4'-8½" | Central Electricity Generating Board | Ferryhill Railway Heritage Centre, Aberdeen, SCT | restoration | Robert Stephenson & Hawthorns #7846, 1955 | Named North Downs. | |
| 0-4-0ST | 4'-8½" | Central Electricity Generating Board | Strathspey Railway, Aviemore, SCT | restoration | Robert Stephenson & Hawthorns #7386, 1948 | Named Birkenhead. | ||
| 75061 | 0-6-0ST | 4'-8½" | War Dept. | Strathspey Railway, Aviemore, SCT | restoration | Robert Stephenson & Hawthorns #7097, 1943 | Named Cairngorm. | |
| 71515 | 0-6-0ST | 4'-8½" | War Dept. | Pontypool & Blaenavon Railway, Blaenavon, WAL | operational | Robert Stephenson & Hawthorns #7169, 1944 | ||
| 60 | 0-6-0ST | 4'-8½" | Stewarts & Lloyds | Colne Valley Railway, Castle Hedingham, ENG | overhaul | Robert Stephenson & Hawthorns #7671, 1950 | Named Jupiter. Undergoing overhaul. | |
| 361 | 0-4-0ST | 4'-8½" | Ministry of Defence | Historic Dockyard, Chatham, Chatham, ENG | operational | Robert Stephenson & Hawthorns #7042, 1941 | Named Ajax. | |
| 47 | 0-6-0ST | 4'-8½" | National Coal Board | Embsay & Bolton Abbey Steam Railway, Embsay, ENG | operational | Robert Stephenson & Hawthorns #7849, 1955 | Named Moorbarrow. | |
| 71516 | 0-6-0ST | 4'-8½" | War Dept. | Severn Valley Railway, Kidderminster, ENG | operational | Robert Stephenson & Hawthorns #7170, 1944 | Named Welsh Guardsman. From the Gwili Railway, Bronwydd Arms, Wales. | |
| 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. | |
| 0-4-0ST | 4'-8½" | Redheugh Gas Works | Tanfield Railway, Marley Hill, ENG | operational | Robert Stephenson & Hawthorns #7409, 1948 | Named Sir Cecil A. Cochrane. | ||
| 9466 | 9400 | 0-6-0T | 4'-8½" | BR | West Somerset Railway, Minehead, ENG | operational | Robert Stephenson & Hawthorns, 1951 | Owned by the Kinlet Hall & Thornbury Castle Ltd. Restored to operation in 1985. Taken out of service in 1993. Painted in the GWR Brunswick green livery from 2004 to 2011. Taken out of service again in 2023. Returned to operation in Mar 2024. |
| 62 | 0-6-0ST | 4'-8½" | Stewarts & Lloyds | Spa Valley Railway, Royal Tunbridge Wells, ENG | operational | Robert Stephenson & Hawthorns #7673, 1950 | Named Ugly. | |
| 63 | 0-6-0ST | 4'-8½" | Stewarts & Lloyds | Great Central Railway - Nottingham, Ruddington, ENG | operational | Robert Stephenson & Hawthorns #7761, 1954 | Named Corby. | |
| 54 | 0-6-0ST | 4'-8½" | Stewarts & Lloyds | East Anglian Railway Museum, Wakes Colne, ENG | operational | Robert Stephenson & Hawthorns #7031, 1941 | Named Pen Green. |