| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| Industry Standard | 6408M50 | Direct Cross Interchange | 16 |
| GATES | 6408M50 | Direct Cross Interchange | 16 |
| BANDO | RPP6408M50 | Direct Cross Interchange | 16 |
| BANDO | HTD6408M50 | Direct Cross Interchange | 16 |
| EATON | 6408M50 | Direct Cross Interchange | 16 |
| PIRELLI | 640RPP8M50 | Direct Cross Interchange | 16 |
| PIRELLI | 640HPR850 | Direct Cross Interchange | 16 |
| GOODYEAR | 6408M50 | Direct Cross Interchange | 16 |
| OPTIBELT | 6408M50 | Direct Cross Interchange | 16 |
| TB Woods | 6408M50H | Direct Cross Interchange | 16 |
| TB Woods | 6408M50 | Direct Cross Interchange | 16 |
| THERMOID | 6408M50 | Direct Cross Interchange | 16 |
| UNIROYAL | 6408M50 | Direct Cross Interchange | 16 |
| JASON | RPP6408M50 | Direct Cross Interchange | 16 |