| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20T-70-71421 | LINK,L.H. | 3506- | |
| 2 | 20T-70-71431 | LINK,R.H. | 3506- | |
| 3 | 20T-70-71451 | PIN | 3506- | |
| 4 | 07020-00000 | FITTING,GREASE | 3506- | |
| 5 | 20T-70-71270 | PLATE | 3506- | |
| 6 | 01010-52045 | BOLT | 3506- | |
| 7 | 01643-32060 | WASHER | 3506- | |
| 20T-970-0010 | BOOM ASS'Y | 3506- | ||
| 8 | \6\ | LINK | 3506- | |
| 9 | 20T-70-25740 | BUSHING | 3506- | |
| 10 | 20T-70-71880 | BUSHING | 3506- | |
| 11 | 07020-00675 | FITTING,GREASE | 3506- | |
| 12 | 07145-00045 | SEAL,DUST | 3506- | |
| 13 | 20U-70-21780 | SHIM¤ 2.5MM | 3506- | |
| 20T-970-7450 | PLATE ASS'Y | 3506- | ||
| 14 | \6\ | PLATE,L.H. | 3506- | |
| 15 | \6\ | PLATE,R.H. | 3506- | |
| 16 | 20T-970-7410 | PIN | 3506- | |
| 17 | 20T-70-71611 | O-RING | 3506- | |
| 18 | 20T-70-71461 | SPACER | 3506- | |
| 19 | 20T-70-71471 | RETAINER | 3506- | |
| 20 | 01010-51035 | BOLT | 3506- | |
| 21 | 01643-31032 | WASHER | 3506- | |
| 22 | 20T-70-71270 | PLATE | 3506- | |
| 23 | 708-25-22920 | SHIM¤ 0.50MM | 3506- | |
| 24 | 01010-52045 | BOLT | 3506- | |
| 25 | 01643-32060 | WASHER | 3506- |