| Answer | Crossword Clue |
|---|---|
| CABOOSE | Freight unit |
| ONETON | Freight unit |
| TRAINLOAD | Freight unit. |
| CARLOT | Freight unit. |
| TON | Freight unit |
| NETTON | Freight unit |
| TON | Freight weight unit |
| BOXCAR | Freight train unit |
| FLATCAR | Freight-train unit |
| COALCAR | Freight train unit |
| TANKCAR | Freight-train unit |
| ORECAR | Freight-train unit |
| TON | ...-mile (freight unit) |
| REFRIGERATORCAR | Freight train unit. |
| FLATCAR | Freight train unit |
| CATTLECAR | Freight train unit. |
| TON | Tour freight weight unit |
