Fitted with Stephenson's reversing gear and displacement lubricator.
| length/inches | 9 |
| width/inches | 5 |
| height/inches | 7 |
| weight/kg | 3 |
| bore x stroke/inches | 1 x 7/8 |
| wheel material | cast iron flywheel |
| valve type | slide |
| valve gear | Stephensons |
| reverser type | pole |
| lubricator type | displacement |