| Item | Part No. | Part Name | Qty | Serial No. |
| 20T-01-71100 | COUPLING ASS'Y | 12772-13024 | ||
| 20T-01-77200 | COUPLING ASS'Y | 8001-12771 | ||
| 1 | 20T-01-71110 | BOSS | 12772-13024 | |
| 1 | 20T-01-77210 | BOSS | 8001-12771 | |
| 2 | 20T-01-31110 | RUBBER | 8001-13024 | |
| 3 | 04025-00512 | PIN,SPRING | 8001-13024 | |
| 4 | 01252-31240 | BOLT | 8001-13024 | |
| 5 | 01252-31240 | BOLT | 8001-13024 | |
| 6 | 20U-01-22110 | COVER | 12772-13024 | |
| 6 | 20T-01-77221 | COVER | 11335-12771 | |
| 6 | 20T-01-77220 | COVER | 8001-11334 | |
| 7 | 01010-51020 | BOLT | 8001-13024 | |
| 8 | 01643-31032 | WASHER | 8001-13024 | |
| 9 | 07049-01215 | PLUG | 12772-13024 |