The engine runs on air in somewhat desultory fashion - attention to setting of the eccentric would be time well spent.
| length/inches | 18 |
| width/inches | 17 1/2 |
| height/inches | 27 1/2 |
| weight/kg | 47 1/2 |
| bore x stroke/inches | 3 x 3.5 |
| axlebox type | plain bearing |
| cylinder material | cast iron |
| valve type | slide |
| valve gear | Stephensons |