| Year | 2011 |
| Date | 08-Apr |
| Volume | 206 |
| Issue | 4,401 |
| Page | 458 |
| Category | Boiler |
| Part | 2 |
| Title | Model traction engine boiler repair |
| Author | Chris Gunn |
| Notes | Retubes his 4in. scale Garrett Tractor. Little corrosion, fitting the new tubes, raising the engine, expanding the tubes, no pressure, testing at home, how long |