| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| OJD (QUICK BRAKE) | 1721 | Direct Cross Interchange | 2 |
| METZGER | Z1721 | Direct Cross Interchange | 2 |
| APEC braking | KIT1081 | Direct Cross Interchange | 1 |
| TRISCAN | 8105141599 | Direct Cross Interchange | 1 |
| TRISCAN | 8105141599 | Indirect Cross Interchange | 2 |
| A.B.S. | 1721Q | Indirect Cross Interchange | 2 |
| NK | 79221721 | Indirect Cross Interchange | 1 |
| KAWE | Q1721 | Indirect Cross Interchange | 1 |
| PEX | 1721 | Indirect Cross Interchange | 1 |