| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| PIRELLI | 4B56 | Direct Cross Interchange | 16 |
| GOODYEAR | 4B56 | Direct Cross Interchange | 16 |
| OPTIBELT | 4B56 | Direct Cross Interchange | 16 |
| PIX Belts | B56/04 | Direct Cross Interchange | 16 |
| GOODRICH | 4B56 | Direct Cross Interchange | 16 |
| UNIROYAL | 4B56 | Direct Cross Interchange | 16 |
| Durkee-Atwood | 4B56 | Direct Cross Interchange | 16 |
| Industry Standard | 4B56 | Direct Cross Interchange | 16 |
| Metric Standard | 16C1500J4 | Direct Cross Interchange | 16 |
| DODGE | 4XB56 | Direct Cross Interchange | 16 |
| DAYCO | RBP564 | Direct Cross Interchange | 16 |
| DAYCO | 4RBP56 | Direct Cross Interchange | 16 |
| GATES | 4B56 | Direct Cross Interchange | 16 |
| BANDO | 4B56 | Direct Cross Interchange | 16 |