| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| CR | 6681 | Direct Cross Interchange | 4 |
| FREIGHTLNR | CHR6681 | Direct Cross Interchange | 4 |
| SKF | 6681 | Direct Cross Interchange | 2 |
| FREIGHTLINER | CHR6681 | Indirect Cross Interchange | 1 |
| Precision Seals & Bearings | 17X47X8 | Indirect Cross Interchange | 1 |
| DT Components | 17X47X8 | Indirect Cross Interchange | 1 |
| STEFA | 17X47X10CB | Indirect Cross Interchange | 1 |
| TIMKEN | 174708XX | Indirect Cross Interchange | 1 |
| PACCAR | 6681CHR | Indirect Cross Interchange | 1 |
| WESTON | 17X47X10R21 | Indirect Cross Interchange | 1 |
| MACK | 6681 | Indirect Cross Interchange | 1 |
| MACK | 14586681 | Indirect Cross Interchange | 1 |
| FORD | 96586681 | Indirect Cross Interchange | 1 |