| Item | Part No. | Part Name | Qty | Serial No. |
| 20T-70-01140 | BOOM ASS'Y | 30001- | ||
| 20T-970-0130 | BOOM ASS'Y,(FOR BREAKER) | 30001- | ||
| 1 | \6\ | BOOM | 30001- | |
| \6\ | BOOM,(FOR BREAKER) | 30001- | ||
| 2 | 20T-70-81140 | BUSHING | 30001- | |
| 3 | 07145-00050 | SEAL | 30001- | |
| 4 | 07020-00900 | FITTING,GREASE | 30001- | |
| 5 | 20T-62-87530 | TUBE | 30001- | |
| 6 | 20T-62-87540 | TUBE | 30001- | |
| 7 | 20X-62-23160 | CLAMP | 30001- | |
| 8 | 01010-81020 | BOLT | 30001- | |
| 9 | 01643-31032 | WASHER | 30001- | |
| 10 | 20T-62-82181 | PLATE | 30001- | |
| 11 | 01010-81025 | BOLT | 30001- | |
| 12 | 01643-31032 | WASHER | 30001- | |
| 13 | 21W-62-31260 | HOSE | 30001- | |
| 14 | 20T-62-82150 | HOSE | 30001- | |
| 15 | 04434-52708 | CLIP | 30001- | |
| 16 | 07095-20420 | CUSHION | 30001- | |
| 17 | 01010-81020 | BOLT | 30001- | |
| 18 | 01643-31032 | WASHER | 30001- | |
| 19 | 08034-00834 | BAND | 30001- | |
| 20 | 20T-62-87511 | TUBE | 30001- | |
| 21 | 144-920-9480 | CLAMP | 30001- | |
| 22 | 01010-81020 | BOLT | 30001- | |
| 23 | 01643-31032 | WASHER | 30001- | |
| 24 | 201-62-21890 | CLAMP | 30001- | |
| 25 | 01010-81020 | BOLT | 30001- | |
| 26 | 01643-31032 | WASHER | 30001- | |
| 27 | (20T-63-X2402) | CYLINDER GROUP,BOOM | 30001- | |
| 28 | 20T-70-71190 | COVER | 30001- | |
| 29 | 01010-81030 | BOLT | 30001- | |
| 30 | 01643-31032 | WASHER | 30001- | |
| 31 | 20T-70-71630 | PAD | 30001- | |
| 32 | 20T-70-71640 | COLLAR | 30001- | |
| 33 | 01010-80816 | BOLT | 30001- | |
| 34 | 01643-30823 | WASHER | 30001- | |
| 35 | (20T-63-X2414) | CYLINDER GROUP,ARM | 30001- |