| Year | 2021 |
| Date | 15-Jan |
| Volume | 226 |
| Issue | 4,656 |
| Page | 129 |
| Category | Road Locomotive |
| Part | 78 |
| Title | Garrett 4CD Tractor in 6 inch scale |
| Author | Chris Gunn |
| Notes | Clears a few remaining issues with his engine and takes it for a second test run. In all its glory |