| Clue | Source | Date |
|---|---|---|
| Freight hauler | Newsday | 20 Jul 2023 |
| Open freight train unit | LA Times Daily | 21 Dec 2022 |
| Train's lumber carrier | Newsday | 26 Aug 2022 |
| Roofless train part | Universal | 20 Mar 2019 |
| Roofless train part | ||
| Sideless train unit | The Washington Post | 11 Dec 2018 |
| Sideless train unit | LA Times Daily | 11 Dec 2018 |
| Rail carrier | Thomas Joseph | 27 Sep 2018 |
| Sideless train unit | ||
| Freight train component | ||
| Part of many a freight train | ||
| Part of a freight train | ||
| Freight bearer | ||
| Freight bearer | ||
| It has no sides or roof | ||
| Freight train component | ||
| Part of a train | ||
| Freight train unit | ||
| Roller without sides | ||
| Sideless carrier | ||
| Freight carrier | ||
| Part of a freight train | ||
| It has no sides or roof | ||
| It might be filled with felled timber | ||
| It has no sides or roof | ||
| Piggybacking spot | ||
| Freight bearer | ||
| Rolling freight transporter | ||
| Freight train component | ||
| A caboose preceder | ||
| Freight-train unit | ||
| Part of a freight train |