| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20S-70-71421 | LINK,L.H. | 1001- | |
| 2 | 20S-70-71431 | LINK,R.H. | 1001- | |
| 3 | 20S-70-71451 | PIN | 2763- | |
| 20S-70-71450 | PIN | 1001-2762 | ||
| 4 | 07020-00000 | FITTING,GREASE | 1001- | |
| 5 | 20S-70-71270 | PLATE | 1001- | |
| 6 | 175-78-64170 | SHIM¤ 1.0MM | 1001-2762 | |
| 7 | 01010-51635 | BOLT | 1001- | |
| 8 | 01643-31645 | WASHER | 1001- | |
| \3\20S-70-00641 | LINK ASS'Y | 4617- | ||
| (20S-70-00640{20S-70-00660)} | ||||
| 20S-70-00640 | LINK ASS'Y,L.H. | 1001-4616 | ||
| 20S-70-00660 | LINK ASS'Y,R.H. | 1001-4616 | ||
| 9 | \6\ | LINK,L.H. | 4617- | |
| \6\ | LINK,L.H. | 1001-4616 | ||
| 10 | \6\ | LINK,R.H. | 1001-4616 | |
| 11 | 20S-70-11270 | BUSHING | 1001- | |
| 12 | 20S-70-71870 | BUSHING | 1001- | |
| 13 | 07020-00675 | FITTING,GREASE | 1001- | |
| 14 | 07145-00035 | SEAL,DUST | 1001- | |
| 15 | 20S-70-71490 | SHIM¤ 2.5MM | 1001- | |
| 16 | 20R-70-11241 | PIN | 1001- | |
| 17 | 07020-00000 | FITTING,GREASE | 1001- | |
| 18 | 21X-70-14140 | SPACER¤ 1.0MM | 1001- | |
| 19 | 140-30-16220 | O-RING | 1001- | |
| 20 | 01018-11285 | BOLT | 1001- | |
| 21 | 01580-11210 | NUT | 1001- |