| Model Code | Description | |
|---|---|---|
| 01 | 617.435, 624.139, 624.339 | FRAME/WHEELBASE EXTENSION |
| 02 | 617.428 | FRAME/WHEELBASE EXTENSION |
| 03 | 617.437 | FRAME/WHEELBASE EXTENSION |
| 04 | 617.435 | FRAME/WHEELBASE EXTENSION |
| 05 | 616.427 | FRAME/WHEELBASE EXTENSION |
| 06 | 617.426, 617.436 | FRAME/WHEELBASE EXTENSION |
| 07 | 617.437 | FRAME/WHEELBASE EXTENSION |
| 08 | 616.428 | FRAME/WHEELBASE EXTENSION |