The engine runs in both directions on air, although could be improved by adjusting the valve. Some wear in the little and big ends.
| length/inches | 16 1/2 |
| width/inches | 9 |
| height/inches | 8 1/2 |
| weight/kg | 12 |
| wheel material | cast iron flywheel, 6 inch diameter |
| cylinder material | cast iron |
| valve type | slide |
| valve gear | Stephensons |
| reverser type | screw |
| lubricator type | displacement |