| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| PIRELLI | B221 | Direct Cross Interchange | 20 |
| GOODYEAR | B221 | Direct Cross Interchange | 20 |
| OPTIBELT | B221 | Direct Cross Interchange | 20 |
| DUNLOP | B221 | Direct Cross Interchange | 20 |
| HESSTON | S2210B | Direct Cross Interchange | 20 |
| HESSTON | S2080B | Direct Cross Interchange | 20 |
| PIX Belts | B221 | Direct Cross Interchange | 20 |
| THERMOID | B221 | Direct Cross Interchange | 20 |
| GOODRICH | B221 | Direct Cross Interchange | 20 |
| UNIROYAL | B221 | Direct Cross Interchange | 20 |
| JASON | B221 | Direct Cross Interchange | 20 |
| Durkee-Atwood | B221 | Direct Cross Interchange | 20 |
| Industry Standard | B221 | Direct Cross Interchange | 20 |
| NSN | MS39256B221 | Direct Cross Interchange | 20 |
| DAYCO | BP221 | Direct Cross Interchange | 20 |
| DAYCO | B221 | Direct Cross Interchange | 20 |
| GATES | B221 | Direct Cross Interchange | 20 |
| GATES | 66221 | Direct Cross Interchange | 20 |