| Model Code | Description | |
|---|---|---|
| 01 | 651.532, 651.537, 652.552 | REAR AXLE PNEUM. SUSPENSION |
| 02 | 652.553, 652.563, 652.593 | REAR AXLE PNEUM. SUSPENSION |
| 03 | 651.522, 651.532 | REAR AXLE PNEUM. SUSPENSION |
| 04 | 650.234, 652.303 | REAR AXLE PNEUM. SUSPENSION |
| 05 | 650.284, 652.303 | REAR AXLE PNEUM. SUSPENSION |
| 06 | 650.284 | REAR AXLE PNEUM. SUSPENSION |