| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 421-46-A2600 | FRAME, REAR | A31001-UP- | |
| OR | ||||
| 1 | 421-54-A2420 | FRAME, REAR - WITH FULL FENDER | A31001-UP- | |
| OR | ||||
| 1 | 421-974-A260 | FRAME, REAR - WITH COUNTERWEIGHT | A31001-UP- | |
| F1 - P/N 421-46-A2600 CAN BE REWORKED INTO BOTH FULL FENDER ANDCOUNTERWEIGHT FRAMES. | ||||