| Model Code | Description | |
|---|---|---|
| 01 | 309.000, 309.002, 309.044, 309.100, 309.102, 309.144, 309.400, 309.402, 309.404, 309.444, 309.445, 310.300, 310.302, 310.304, 310.344, 310.345, 310.400, 310.402, 310.404, 310.444, 310.445 | LOAD-DEPENDING BRAKE |
| 02 | 310.344, 310.345, 310.444, 310.445 | LOAD-DEPENDING BRAKE |
| 03 | 310.300, 310.302, 310.304, 310.344, 310.345, 310.400, 310.402, 310.404, 310.444, 310.445 | LOAD-DEPENDING BRAKE |