Work to date on the chassis appears to be of good quality; loose parts include kit of profiled parts for cab, smokebox, regulator, pony truck, tender drag beam and brake gear parts.
| gauge | 5 inch |
| length/inches | 45 +26 |
| width/inches | 10 1/2 |
| height/inches | 9 |
| wheel material | cast iron |
| axlebox type | plain bearing |
| cylinder material | cast iron |
| valve type | piston |
| valve gear | Walschaerts |
| boiler number | N78.90.62 |
| boiler maker | non-commercial |
| working pressure/psi | 90 |
| boiler type | locomotive with combustion chamber |
| boiler material | copper |
| boiler construction | silver soldered |
| superheater(s) | 2 |
| hand pump | 1 |