Turns over freely and runs on air, the engine is fitted with a Watt type governor which is missing one of the flyweights.
Crankshaft carries an eccentric for the slide valve and another for a boiler feed pump, mounted in the base although missing the eccentric rod.
| length/inches | 15 1/2 |
| width/inches | 8 |
| height/inches | 7 |
| weight/kg | 5.5 |
| wheel material | Cast iron flywheel 6 1/4 inches diameter |
| cylinder material | brass |
| valve type | slide |
| governor type | Watt |