| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| Industry Standard | 4D660 | Direct Cross Interchange | 13 |
| DAYCO | RDP6604 | Direct Cross Interchange | 13 |
| DAYCO | 4RDP660 | Direct Cross Interchange | 13 |
| GATES | 4D660 | Direct Cross Interchange | 13 |
| GOODYEAR | 4D660 | Direct Cross Interchange | 13 |
| OPTIBELT | 4D660 | Direct Cross Interchange | 13 |
| THERMOID | 4D660 | Direct Cross Interchange | 13 |
| GOODRICH | 4D660 | Direct Cross Interchange | 13 |
| UNIROYAL | 4D660 | Direct Cross Interchange | 13 |
| JASON | RD6604 | Direct Cross Interchange | 13 |
| Durkee-Atwood | 4D660 | Direct Cross Interchange | 13 |