| Item | Part No. | Part Name | Qty | Serial No. |
| 20R-70-00212 | BOOM ASS'Y | 29361- | ||
| \0\20R-70-00211 | BOOM ASS'Y | 28280-29360 | ||
| \0\20R-70-00210 | BOOM ASS'Y | 24001-28279 | ||
| 1 | \6\ | BOOM | 29361- | |
| \6\ | BOOM | 28280-29360 | ||
| \6\ | BOOM | 24001-28279 | ||
| 2 | 20S-70-31170 | BUSHING | 24001- | |
| 3 | 07145-00040 | SEAL,DUST | 24001- | |
| 4 | 07020-00675 | FITTING,GREASE | 24001- | |
| G-1 | (\8\20S-70-X1200) | BOOM PIN GROUP | 24001- | |
| ==================== | ||||
| 5 | 20S-70-31140 | PIN | 24001- | |
| 6 | 20R-70-11260 | SPACER¤ 1.0MM | 24001- | |
| 7 | 20S-70-31240 | PLATE | 24001- | |
| 8 | 01010-51225 | BOLT | 24001- | |
| 9 | 01643-31232 | WASHER | 24001- | |
| 10 | 20S-70-31161 | PIN | 24001- | |
| 11 | 07020-00000 | FITTING,GREASE | 24001- | |
| 12 | 20R-70-11260 | SPACER¤ 1.0MM | 24001- | |
| 13 | 01010-51230 | BOLT | 24001- | |
| 14 | 20S-70-31180 | SPACER | 24001- | |
| 15 | 20S-70-31161 | PIN | 24001- | |
| 16 | 07020-00000 | FITTING,GREASE | 24001- | |
| 17 | 20R-70-11260 | SPACER¤ 1.0MM | 24001- | |
| 18 | 01010-51230 | BOLT | 24001- | |
| 19 | 20S-70-31180 | SPACER | 24001- | |
| ==================== | ||||
| G-2 | (\8\20R-70-X1600) | CYLINDER COVER GROUP | 24001- | |
| ==================== | ||||
| 20 | 20R-70-41720 | COVER | 24001- | |
| 21 | 01010-51020 | BOLT | 24001- | |
| 22 | 01643-31032 | WASHER | 24001- | |
| 23 | 21X-70-11410 | PAD | 27805- | |
| 20U-70-11261 | PAD | 24001-27804 | ||
| 24 | 21X-70-11420 | COLLAR | 27805- | |
| 25 | 01010-50612 | BOLT | 24001- | |
| 26 | 01643-30623 | WASHER | 24001- | |
| 27 | 20S-70-31710 | BRACKET | 24001- | |
| 28 | 01010-50812 | BOLT | 24001- | |
| 29 | 01643-30823 | WASHER | 27805- | |
| ==================== |