| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 21K-973-7113 | ARM | 10370- | |
| 1 | 21K-973-7112 | ARM | 10001-10369 | |
| 2 | 21K-70-72C80 | SEAT (WELDED) | 10001- | |
| 2A | 22U-70-27110 | PIN (WELDED) | 10370- | |
| 3 | 20Y-970-3560 | BRACKET (WELDED) | 10001- | |
| 4 | 20Y-970-3570 | BRACKET (WELDED) | 10001- | |
| 5 | 21K-70-72211 | BUSHING | 10001- | |
| 6 | 21K-70-72230 | BUSHING | 10001- | |
| 7 | 20Y-70-32371 | BUSHING | 10001- | |
| 8 | 20Y-70-32351 | BUSHING | 10001- | |
| 9 | 07020-00000 | FITTING | 10001- | |
| 10 | 07020-00900 | FITTING | 10001- | |
| 11 | 20Y-70-23220 | SEAL | 10001- | |
| 12 | 20Y-70-23220 | SEAL | 10001- | |
| 13 | 07145-00080 | SEAL | 10001- | |
| 14 | 20Y-70-31161 | PIN | 10370- | |
| 14 | 20Y-70-31160 | PIN | 10001-10369 | |
| 15 | 205-70-66581 | PLATE | 10370- | |
| 15 | 205-70-66580 | PLATE | 10001-10369 | |
| 16 | 01010-81230 | BOLT | 10001- | |
| 17 | 01643-31232 | WASHER | 10001- | |
| 18 | 20Y-70-31430 | SPACER, 1.0MM | 10001- | |
| 19 | 21K-70-71192 | PIN | 10370- | |
| 19 | 21K-70-71191 | PIN | 10001-10369 | |
| 20 | 205-70-66581 | PLATE | 10370- | |
| 20 | 205-70-66580 | PLATE | 10001-10369 | |
| 21 | 01010-81230 | BOLT | 10001- | |
| 22 | 01643-31232 | WASHER | 10001- | |
| 23 | 20Y-70-31380 | SPACER, 1.0MM | 10001- | |
| 24 | 20Y-70-31390 | SPACER, 2.0MM | 10001- | |
| 25 | (\8\707-01-XX800) | CYLINDER GROUP | 10001- |