| Item | Part No. | Part Name | Qty | Serial No. |
| 20N-01-43700 | COUPLING ASS'Y | 3001-@ | ||
| 1 | 20N-01-43710 | BOSS | 3001-@ | |
| 2 | 20R-01-11210 | RUBBER | 3001-@ | |
| 3 | 04025-00408 | PIN,SPRING | 3001-@ | |
| 4 | 20M-01-16630 | BOLT | 3001-@ | |
| 5 | 01252-41035 | BOLT | 3001-4600 | |
| 6 | 20N-01-43510 | COVER | 3001-@ | |
| 7 | 01010-51020 | BOLT | 3001-@ | |
| 8 | 01010-51025 | BOLT | 3001-@ | |
| 9 | 01643-31032 | WASHER | 3001-@ |