We've seen dozens of Pollys over the years and rate them highly. This one's no exception - in good mechanical order it runs well in both directions and steams freely; there’s a video of it running in the yard here.
The engine has had recent hydraulic and steam tests with certification issued for same.
| gauge | 5 inch |
| length/inches | 32 |
| width/inches | 11 |
| height/inches | 16 |
| weight/kg | 50 |
| bore x stroke/inches | 1 1/2 x 2 |
| wheel material | cast iron |
| axlebox type | plain bearing |
| cylinder material | cast iron |
| valve type | slide |
| valve gear | Stephensons |
| reverser type | pole |
| lubricator type | mechanical |
| injector(s) | 1 |
| boiler number | PB770/88 |
| year built | 2008 |
| boiler maker | Priory Boilers |
| CE mark | yes |
| working pressure/psi | 90 |
| boiler type | locomotive |
| boiler material | copper |
| boiler construction | silver soldered |
| hydraulic test valid to | 19/Jan/26 |
| steam test valid to | 1/Apr/23 |
| superheater(s) | 1 |
| fusible plug | yes |
| safety valve(s) | 1 |
| safety valve type | spring |
| mechanical pump | 1 |
| hand pump | 1 |