| Answer | Crossword Clue |
|---|---|
| RIG | Eighteen-wheeler |
| SEMI | Eighteen-wheeler |
| BIGRIG | Eighteen-wheeler |
| SEMI | Eighteen wheeler |
| RIG | Eighteen-wheeler, e.g. |
| HAUL | Drive an eighteen-wheeler |
| HAUL | Use an eighteen-wheeler |
| SEMI | Eighteen-wheeler, for short |
| TRACTOR | Part of an eighteen-wheeler |
| AXLE | One of nine on an eighteen-wheeler |
| AXLE | One of five on an eighteen-wheeler |
