| Year | 2015 |
| Date | 07-Aug |
| Volume | 215 |
| Issue | 4,514 |
| Page | 226 |
| Category | Road Locomotive |
| Part | 17 |
| Title | Garrett 4CD Tractor in 6 inch scale |
| Author | Chris Gunn |
| Notes | Describes machining the cylinder casting. Machining the cylinder, machining the saddle, machining the bores |