A 4 inch scale kit-built Ruston Proctor 3 ton steam tractor. At an advanced stage of assembly, the previous owner has run it on air.
Complete with assembly instructions and manufacturer's boiler certification
| scale |
4 inch |
| length/inches |
48 |
| width/inches |
21 |
| height/inches |
26 |
| cylinder material |
cast iron |
| valve type |
slide |
| valve gear |
Stephensons |
| reverser type |
pole |
| lubricator type |
mechanical |
| boiler number |
51 |
| boiler maker |
Winson Model Technology |
| CE mark |
n/a, pre-2002 |
| working pressure/psi |
120 |
| boiler type |
locomotive |
| boiler material |
steel |
| boiler construction |
welded, welded tubes |
| safety valve(s) |
2 |
| safety valve type |
spring |
| mechanical pump |
1 |
| road speed(s) |
2 |