| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20S-70-82521 | BRACKET | 10001- | |
| 1A | 07020-00000 | FITTING,GREASE | 10001- | |
| 2 | 20S-70-81541 | PIN | 10001- | |
| 3 | 07020-00000 | FITTING,GREASE | 10001- | |
| 4 | 01010-81430 | BOLT | 10001- | |
| 5 | 21T-09-11330 | WASHER | 10001- | |
| 6 | 20S-70-81740 | SPACER¤ 0.5MM | 11010- | |
| 21W-70-11280 | SPACER¤ 0.5MM | 10001-11009 | ||
| 7 | 20S-70-71571 | PIN | 10001- | |
| 8 | 04082-00212 | LOCK | 10001- | |
| 9 | 01010-81230 | BOLT | 10001- | |
| 10 | 01643-31232 | WASHER | 10001- | |
| 11 | 20T-70-81710 | SPACER¤ 1.0MM | 11010- | |
| 20T-70-19130 | SPACER¤ 1.0MM | 10001-11009 | ||
| 12 | 20S-70-82150 | PIN | 10001- | |
| 13 | 21K-60-12310 | LINK | 10001- | |
| 14 | 01010-81230 | BOLT | 10001- | |
| 15 | 01643-31232 | WASHER | 10001- | |
| 16 | 203-70-44540 | SHIM¤ 0.5MM | 10001- | |
| 17 | 20S-70-82230 | PIN | 10001- | |
| 18 | 04082-00212 | LOCK | 10001- | |
| 19 | 01010-81230 | BOLT | 10001- | |
| 20 | 01643-31232 | WASHER | 10001- | |
| 21 | 20T-70-81730 | SPACER¤ 1.0MM | 11010- | |
| 201-70-23140 | SPACER¤ 1.0MM | 10001-11009 | ||
| 22 | 20S-62-82161 | COVER | 10001- | |
| 23 | 01010-81025 | BOLT | 10001- | |
| 24 | 01643-31232 | WASHER | 10001- | |
| 25 | 20S-62-82240 | COVER | 10001- | |
| 26 | (20S-63-X2432) | CYLINDER ASS'Y,BOOM SWING(SEE FIG.Y1620-02A0) | 10001- | |
| 27 | 09241-4B135 | PIN | 10001- | |
| 28 | 04082-00212 | LOCK | 10001- | |
| 29 | 01010-81230 | BOLT | 10001- | |
| 30 | 01643-31232 | WASHER | 10001- | |
| 31 | 20T-70-81710 | SPACER¤ 1.0MM | 11010- | |
| 20T-70-19130 | SPACER¤ 1.0MM | 10001-11009 | ||
| 32 | 20S-70-81710 | SPACER¤ 1.0MM | 11010- | |
| 20S-70-71580 | SPACER¤ 0.5MM | 10001-11009 |