No. 56 visited Quainton from its then base at the Great Central Railway (North), Ruddington. It later moved to the Epping Ongar Railway in February 2021, along with its sister engine, No. 63. Further details of this locomotive are available on the Epping Ongar Railway website.
| Builder :- | Robert Stephenson and Hawthorn | Date Built :- | 1950 | Works No. :- | 7667 |
| Running No. :- | 56 | Name :- | n/a | Wheel Arrangement :- | 0-6-0ST |
| Tractive Effort :- | 26, 850 lb | Boiler Pressure :- | 180 psi | Cylinder Dimensions :- | 18" x 26" |
| Weight :- | 53t 0c | Driving Wheel Dia. :- | 4' 0" | Owner :- | Private |