| Item | Part No. | Part Name | Qty | Serial No. |
| 21S-01-22501 | COUPLING ASS'Y | 15001- | ||
| 1 | 21S-01-22511 | BOSS | 15001- | |
| 2 | 20R-01-11210 | RUBBER | 15001- | |
| 3 | 04025-00408 | PIN,SPRING | 15001- | |
| 4 | 20M-01-16630 | BOLT | 15001- | |
| 5 | 20N-01-43251 | BOLT | 15001- | |
| 6 | 21S-01-22413 | COVER | 15001- | |
| 7 | 01010-51020 | BOLT | 15001- | |
| 8 | 01643-31032 | WASHER | 15001- |