| Clue | Source | Date |
|---|---|---|
| Train engines | Commuter | 04 Jul 2025 |
| Mad reasons for producing engines (11) | ||
| Train engines | Commuter | 24 May 2025 |
| Look at company with objectives... "To manufacture railway engines" (11) | ||
| Railway engines | ||
| Railroad vehicles | Commuter | 02 Feb 2024 |
| Mad reasons to get vehicles using diesel? | The Telegraph Cryptic | 04 May 2018 |
| Some transports | Universal | 14 Feb 2015 |
| Some transports | ||
| What spurs madmen? |