| Item | Part No. | Part Name | Qty | Serial No. |
| 22J-70-32100 | Arm Assembly | 20001-20732 | ||
| 1 | Arm | 20001-20732 | ||
| 2 | 01571-00814 | Seat, Welded | 20001-20732 | |
| 3 | 01573-10205 | Seat, Welded | 20001-@ | |
| 4 | 01573-20208 | Seat, Welded | 20001-@ | |
| 5 | 22J-70-33650 | Seat, Welded | 20001-20732 | |
| 6 | 22K-70-21530 | Bushing | 20001-@ | |
| 7 | 07145-00030 | Seal, Dust | 20001-@ | |
| 8 | 22K-70-21540 | Seal, Dust | 20001-@ | |
| 9 | 22J-70-25270 | Pin | 20001-@ | |
| 10 | 07020-00000 | Fitting, Grease | 20001-@ | |
| 11 | 04082-00110 | Lock | 20001-@ | |
| 12 | 20N-70-11280 | Spacer, T=1.0mm | 20001-@ | |
| 13 | 01010-81020 | Bolt | 20001-@ | |
| 14 | 01643-31032 | Washer | 20001-@ | |
| 15 | 22L-973-2330 | Hose | 20001-@ | |
| 16 | 22N-973-1330 | Nipple | 20001-@ | |
| 17 | 20D-62-17150 | O-ring | 20001-@ | |
| 18 | 02896-11012 | O-ring | 20001-@ | |
| 19 | 22M-973-1810 | Valve Assembly | 20001-@ | |
| 20 | 22M-973-1850 | Plate | 20001-@ | |
| 21 | 22J-973-3320 | Plate | 20001-@ | |
| 22 | 01010-81065 | Bolt | 20001-@ | |
| 23 | 01643-31032 | Washer | 20001-@ | |
| 24 | 22M-973-1820 | Elbow | 20001-@ | |
| 25 | 20D-62-17150 | O-ring | 20001-@ | |
| 26 | 21U-973-3770 | Plug | 20001-@ |