| Item | Part No. | Part Name | Qty | Serial No. |
| 20W-01-31200 | COUPLING ASS'Y | 10001- | ||
| 1 | 20R-01-11210 | RUBBER | 10001- | |
| 2 | 20W-01-31210 | BOSS | 10001- | |
| 3 | 04025-00408 | PIN | 10001- | |
| 4 | 20M-01-16630 | BOLT | 10001- | |
| 5 | 20N-01-43251 | BOLT | 10001- | |
| 6 | 20W-01-32211 | COVER | 10001- | |
| 7 | 01010-81030 | BOLT | 10001- | |
| 8 | 01643-31032 | WASHER | 10001- |