Bottom end is "Sweet Pea" derived, the cast iron cylinders having slide valves actuated by Hackworth gear; boiler is a locomotive type with feed by injector, axle and hand pumps.
The engine is complete with a bogie tender with upholstered seat.
Te engine runs in reverse, not forwards - it requires a variety a jobs attending to, including:
| gauge | 7 1/4 inch |
| length/inches | 37 + 41 |
| width/inches | 15 |
| height/inches | 22 |
| wheel material | cast iron |
| axlebox type | plain bearing |
| cylinder material | cast iron |
| valve type | slide |
| valve gear | Hackworth |
| reverser type | pole |
| lubricator type | mechanical |
| injector(s) | 1 |
| boiler number | S366B9IW2017 |
| year built | 2017 |
| boiler maker | T Walshaw |
| working pressure/psi | 90 |
| boiler type | locomotive |
| boiler material | steel |
| boiler construction | welded, expanded tubes |
| hydraulic test valid to | 28/Jul/23 |
| steam test valid to | 11/Oct/22 |
| fusible plug | no |
| safety valve(s) | 2 |
| safety valve type | spring |
| mechanical pump | 1 |
| hand pump | 1 |
| whistle | yes |