Stiff to turn over and with a sheared screw in one eccentric, the engine needs stripping to rectify before reassembly.
| length/inches | 4 |
| width/inches | 4 |
| height/inches | 6 |
| weight/kg | 1 |
| bore x stroke/inches | 3/4 x 3/4 |
| wheel material | cast iron, 2 inch diameter marine type flywheel |
| cylinder material | cast iron |
| valve type | slide |
| valve gear | Stephensons |
| reverser type | pole |