| Year | 1989 |
| Date | 06-Oct |
| Volume | 163 |
| Issue | 3,858 |
| Page | 438 |
| Category | Countryman's Steam |
| Part | 15 |
| Title | Superba. Fowler Class Z7 and Superba Ploughing Engine in 2 in. scale |
| Author | John Haining |
| Notes | Tender plough hitches, the firebox ashpan, modifications to drum coiling gear, see 181 4082 685 |