Normally based at the Dean Forest Railway, Gloucestershire, GWR 2-6-2T Prairie No. 5541 visited Quainton during 2001. More details of this locomotive are available on its own website.
| Builder :- | British Region (WR) | Date Built :- | 1928 | Number :- | 5542 |
| Alternate Numbers :- | - | Name :- | - | Wheel Arrangement :- | 2-6-2T |
| Tractive Effort :- | 21,250 lb | Boiler Pressure :- | 200 psi | Cylinder Dimensions :- | 17" x 24" |
| Weight :- | 61t 0c | Driving Wheel Dia. :- | 4' 7½" |