| Item | Part No. | Part Name | Qty | Serial No. |
| 20T-943-0020 | ARM ASS'Y | 8501- | ||
| 1 | \6\ | ARM | 8501- | |
| 2 | 20T-70-25730 | BUSHING | 8501- | |
| 3 | 20T-70-25740 | BUSHING | 8501- | |
| 4 | 07145-00050 | SEAL | 8501- | |
| 5 | 07145-00045 | SEAL | 8501- | |
| G-1 | (20T-70-X2200) | ARM PIN GROUP | 8501- | |
| ==================== | ||||
| 6 | 20T-70-31520 | PIN | 8501- | |
| 7 | 07020-00000 | FITTING,GREASE | 8501- | |
| 8 | 20T-70-19130 | SPACER¤ 1.0MM | 8501- | |
| 9 | 01010-51635 | BOLT | 8501- | |
| 10 | 01643-31645 | WASHER | 8501- | |
| 11 | 20T-70-12121 | PIN | 8501- | |
| 12 | 07020-00000 | FITTING,GREASE | 8501- | |
| 13 | 20T-70-19130 | SPACER¤ 1.0MM | 8501- | |
| 14 | 01010-51635 | BOLT | 8501- | |
| 15 | 01643-31645 | WASHER | 8501- | |
| ==================== | ||||
| G-2 | (20T-943-X130) | ARM PIPING GROUP | 8501- | |
| ==================== | ||||
| 16 | 20T-943-3120 | ELBOW | 8501- | |
| 17 | 01010-51030 | BOLT | 8501- | |
| 18 | 01643-31032 | WASHER | 8501- | |
| 19 | 07086-20405 | HOSE | 8501- | |
| ==================== |