Machining is to a high standard throughout, fit and finish of the motionwork and valve gear - wrought largely in stainless steel - is very good, assembled with castellated nuts, collars and taper pins.
| gauge | 5 inch |
| length/inches | 42+26 |
| width/inches | 10 |
| height/inches | 14 |
| wheel material | Cast iron |
| axlebox type | plain bearing |
| cylinder material | cast iron |
| valve type | Piston |
| valve gear | Walschaerts |
| reverser type | Screw |
| lubricator type | 2 x mechanical |
| injector(s) | 1 |
| boiler number | N24/80/030 |
| working pressure/psi | 80 |
| boiler type | locomotive |
| boiler material | copper |
| boiler construction | silver soldered |
| hydraulic test valid to | 14-Jul-24 |
| steam test valid to | 02-Oct-21 |
| superheater(s) | 1 |
| superheater type | flue tube |
| fusible plug | yes |
| safety valve(s) | 2 |
| safety valve type | spring |
| mechanical pump | axle |
| hand pump | yes |
| whistle | yes |