| Item | Part No. | Part Name | Qty | Serial No. |
| 20X-70-00310 | ARM ASS'Y | 1001- | ||
| 20X-973-0011 | ARM ASS'Y,(FOR ATTACHMENT) | 1404- | ||
| 20X-973-0010 | ARM ASS'Y,(FOR ATTACHMENT) | 1001-1403 | ||
| 1 | \6\ | ARM | 1001- | |
| \6\ | ARM,(FOR ATTACHMENT) | 1404- | ||
| \6\ | ARM,(FOR ATTACHMENT) | 1001-1403 | ||
| 2 | 20X-70-22130 | BOSS (WELDED) | 1001- | |
| 3 | 20X-70-32120 | BUSHING | 1001- | |
| 4 | 201-70-22141 | BUSHING | 1001- | |
| 5 | 20X-70-22140 | BUSHING | 1001- | |
| 6 | 07145-00065 | SEAL,DUST | 1001- | |
| 7 | 130-09-12931 | SEAL,DUST | 1001- | |
| 8 | 07020-00000 | FITTING,GREASE | 1001- | |
| 9 | 20X-70-31240 | PIN | 1001- | |
| 10 | 202-70-48460 | SPACER¤ 1.0MM | 1001- | |
| 203-70-44430 | SPACER¤ 2.0MM | 1001- | ||
| 11 | 04082-00514 | LOCK | 1001- | |
| 12 | 01010-51435 | BOLT | 1001- | |
| 13 | 01643-31445 | WASHER | 1001- | |
| 14 | 20X-70-32210 | PIN | 1001- | |
| 15 | 203-70-24150 | SPACER¤ 1.0MM | 1001- | |
| 203-70-24160 | SPACER¤ 2.0MM | 1001- | ||
| 16 | 04082-00212 | LOCK | 1001- | |
| 17 | 01010-51230 | BOLT | 1001- | |
| 18 | 01643-31232 | WASHER | 1001- |