Subgroup
| Subgroup | Description | Note |
|---|---|---|
| 001 | FRAME | ---- |
| Sa catalog | Description | Note |
| 31184 | REAR CROSS MEMBER REINFORCED FOR USE WITH TRAILER COUPLING | Codes: 213/215/216/217/251 Codes: Q12/Q36/Q37/Q39 |
| 31530 | H.D. FRONT BUMPER | Codes: 255 Codes: C61 |
| 31566 | TRAILER COUPLING | Codes: 200/215/216/217/222/223/224/225/227/229 Codes: Q25/Q26/Q28/Q33/Q34/Q35/Q36/Q37/Q38/Q39/Q48/Q57/Q60/Q64/Q65 |
| 31993 | FLEXIBLE SHAFT | Codes: 130/136/137 Codes: F50/G02/G06/G14/G25/G32/G87/G90/J10/J11/J85/N58/Z01 |
| 32045 | H.D. REAR CROSS MEMBER | Codes: Q12/Q16/Q36/Q37/Q39 |
| 32047 | REAR SUSPENSION OF LONG CAB | Codes: F04 |
| 32124 | DOUBLE FRAME | Codes: C02 |
| 32126 | CAB MOUNTING | Codes: G32/N58 |
| 086812 | FRAME/WHEELBASE SHORTENING | ---- |
| 086814 | FRAME AND OVERHANG SHORTENING | ---- |
| W31014 | FRAME AND OVERHANG EXTENSION | ---- |
| W31057 | FRAME/WHEELBASE EXTENSION | ---- |
| W31060 | FRAME/WHEELBASE EXTENSION | ---- |