The engine rolls freely and runs on air, although with little by way of go from the low pressure cylinder apparent.
The boiler has a steady drip from somewhere around the barrel/throatplate joint - it will need lifting and stripping to investigate, preparatory to repair.
| gauge | 3 1/2 inch |
| length/inches | 23+16 |
| width/inches | 7 |
| height/inches | 11 |
| weight/kg | 19+6.5 |
| wheel material | cast iron |
| axlebox type | plain bearing |
| cylinder material | gunmetal |
| valve type | slide |
| valve gear | Joy + slip eccentric |
| reverser type | screw |
| boiler number | N18.90.25 |
| year built | unknown |
| CE mark | n/a - non-commercial |
| working pressure/psi | 80 |
| boiler type | locomotive |
| boiler material | copper |
| boiler construction | silver soldered with nutted and calked firebox |
| superheater(s) | 2 |
| superheater type | radiant |
| safety valve(s) | 1 |
| safety valve type | spring |
| mechanical pump | 1 |
| hand pump | 1 |