| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| DAYCO | B123 | Direct Cross Interchange | 18 |
| GATES | B123 | Direct Cross Interchange | 18 |
| GATES | 66123 | Direct Cross Interchange | 18 |
| BANDO | B123 | Direct Cross Interchange | 18 |
| CUMMINS | 3809281 | Direct Cross Interchange | 18 |
| GOODYEAR | B123 | Direct Cross Interchange | 18 |
| OPTIBELT | B123 | Direct Cross Interchange | 18 |
| DUNLOP | B123 | Direct Cross Interchange | 18 |
| PIX Belts | B123 | Direct Cross Interchange | 18 |
| THERMOID | B123 | Direct Cross Interchange | 18 |
| GOODRICH | B123 | Direct Cross Interchange | 18 |
| UNIROYAL | B123 | Direct Cross Interchange | 18 |
| Durkee-Atwood | B123 | Direct Cross Interchange | 18 |
| Industry Standard | B123 | Direct Cross Interchange | 18 |
| NSN | MS39256B123 | Direct Cross Interchange | 18 |
| DAYCO | BP123 | Direct Cross Interchange | 18 |