| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| AMS | 661 | Direct Cross Interchange | 1 |
| BENDIX | RS661L | Indirect Cross Interchange | 1 |
| BENDIX | R661L | Indirect Cross Interchange | 1 |
| BENDIX | 661L | Indirect Cross Interchange | 1 |
| MONROE | BX661 | Indirect Cross Interchange | 1 |
| WAGNER | Z661 | Indirect Cross Interchange | 1 |
| WAGNER | PAB661 | Indirect Cross Interchange | 1 |