| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| OPTIBELT | 270H300 | Direct Cross Interchange | 21 |
| FENNER | 270H300 | Direct Cross Interchange | 21 |
| TB Woods | 270H300 | Direct Cross Interchange | 21 |
| THERMOID | 270H300 | Direct Cross Interchange | 21 |
| BROWNING | 270H300 | Direct Cross Interchange | 21 |
| GOODRICH | 270H300 | Direct Cross Interchange | 21 |
| UNIROYAL | 270H300 | Direct Cross Interchange | 21 |
| JASON | 270H300 | Direct Cross Interchange | 21 |
| Durkee-Atwood | 270H300 | Direct Cross Interchange | 21 |
| Industry Standard | 270H300 | Direct Cross Interchange | 21 |
| Metric Standard | 762SU686 | Direct Cross Interchange | 21 |
| DODGE | 464779 | Direct Cross Interchange | 21 |
| DAYCO | SU686762 | Direct Cross Interchange | 21 |
| DAYCO | 270H300 | Direct Cross Interchange | 21 |
| GATES | 270H300 | Direct Cross Interchange | 21 |
| BANDO | 270H300G | Direct Cross Interchange | 21 |
| EATON | 270H300 | Direct Cross Interchange | 21 |
| PIRELLI | 270H300 | Direct Cross Interchange | 21 |
| GOODYEAR | 270H300 | Direct Cross Interchange | 21 |