| Item | Part No. | Part Name | Qty | Serial No. |
| 20T-01-71100 | COUPLING ASS'Y | 13025- | ||
| 1 | 20T-01-71110 | BOSS | 13025- | |
| 2 | 20T-01-31110 | RUBBER | 13025- | |
| 3 | 04025-00512 | PIN,SPRING | 13025- | |
| 4 | 01252-31240 | BOLT | 13025- | |
| 5 | 01252-31240 | BOLT | 13025- | |
| 6 | 20U-01-22111 | COVER | 16328- | |
| 20U-01-22110 | COVER | 13025-16327 | ||
| 7 | 01010-81020 | BOLT | 13025- | |
| 8 | 01643-31032 | WASHER | 13025- | |
| 9 | 04020-00820 | PIN,DOWEL | 16328- |