| Manufacturer | Part Numbers |
|---|---|
| GREAT DANE TRL/ AURORA | WHI1021 |
| MILL SUPPLY INC. | W1021 |
| OTHER | 1021 |
| WORKHORSE PARTS | 1021 |
| Make | Model | Years |
|---|---|---|
| FREIGHTLINER | M2 106 | 2006 |
| FREIGHTLINER | M2 112 | 2006 |
| GREAT DANE | TRAILER | *, 1998-2006, 2008-2009, 2011-2017 |
| STOUGHTON | TRAILER | 2001 |