| Model Code | Description | |
|---|---|---|
| 01 | 730.026, 749.099, 970.263, 970.265, 970.267, 970.268, 970.273, 970.275, 970.277, 970.278 | STEEL SPRING SUSPENSION FRONT AXLE |
| 02 | 730.026, 749.099, 970.263, 970.265, 970.267, 970.268, 970.273, 970.275, 970.277, 970.278 | FRONT AXLE PNEUMATIC SUSPENSION |