| Item | Part No. | Part Name | Qty | Serial No. |
| 20R-70-00410 | BOOM ASS'Y | 10001- | ||
| 20R-970-0130 | BOOM ASS'Y,(FOR BREAKER) | 10001- | ||
| 1 | \6\ | BOOM | 10001- | |
| \6\ | BOOM,(FOR BREAKER) | 10001- | ||
| 2 | 20S-70-81140 | BUSHING | 10001- | |
| 3 | 07145-00045 | SEAL | 10001- | |
| 4 | 07020-00900 | FITTING,GREASE | 10001- | |
| 5 | 20R-62-82130 | TUBE | 10001- | |
| 6 | 20R-62-82141 | TUBE | 10001- | |
| 7 | 130-62-71350 | CLAMP | 10001- | |
| 8 | 01010-81020 | BOLT | 10001- | |
| 9 | 01643-31032 | WASHER | 10001- | |
| 10 | 20S-62-82211 | PLATE | 10001- | |
| 11 | 01010-81025 | BOLT | 10001- | |
| 12 | 01643-31032 | WASHER | 10001- | |
| 13 | 20S-62-82220 | HOSE | 10001- | |
| 14 | 20R-62-82170 | HOSE | 10001- | |
| 15 | 04434-52210 | CLIP | 10001- | |
| 16 | 07095-20213 | CUSHION | 10001- | |
| 17 | 01010-81020 | BOLT | 10001- | |
| 18 | 01643-31032 | WASHER | 10001- | |
| 19 | 08034-00834 | BAND | 10001- | |
| 20 | 20R-62-82111 | TUBE | 10001- | |
| 21 | 130-62-71350 | CLAMP | 10001- | |
| 22 | 01010-81020 | BOLT | 10001- | |
| 23 | 01643-31032 | WASHER | 10001- | |
| 24 | 20S-62-13140 | CLAMP | 10001- | |
| 25 | 01010-81020 | BOLT | 10001- | |
| 26 | 01643-31032 | WASHER | 10001- | |
| 27 | (20R-63-X2302) | CYLINDER GROUP,BOOM | 10001- | |
| 28 | 20S-70-71190 | COVER | 10001- | |
| 29 | 01010-81030 | BOLT | 10001- | |
| 30 | 01643-31032 | WASHER | 10001- | |
| 31 | 20T-70-71630 | PAD | 10001- | |
| 32 | 20T-70-71640 | COLLAR | 10001- | |
| 33 | 01010-80816 | BOLT | 10001- | |
| 34 | 01643-30823 | WASHER | 10001- | |
| 35 | (20R-63-X2314) | CYLINDER GROUP,ARM | 10001- |