| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| NEWTEK | D621 | Direct Cross Interchange | 1 |
| AUTO EXTRA | AXMD621 | Indirect Cross Interchange | 1 |
| AUTO EXTRA | AXCD621 | Indirect Cross Interchange | 1 |
| FEDERATED | MD621 | Indirect Cross Interchange | 1 |
| FEDERATED | D621 | Indirect Cross Interchange | 1 |
| FEDERATED | CD621 | Indirect Cross Interchange | 1 |