| Model Code | Description | |
|---|---|---|
| 01 | 658.416, 658.418, 658.419, 658.466, 658.468, 658.469, 658.470, 658.471, 658.473, 658.474 | STEEL SPRING SUSPENSION |
| 02 | 658.416, 658.418, 658.419, 658.466, 658.468, 658.469, 658.470, 658.471, 658.473, 658.474 | PNEUMATIC SUSPENSION |