| Item | Part No. | Part Name | Qty | Serial No. |
| 20T-70-00512 | BOOM ASS'Y | 11899- | ||
| \0\20T-70-00510 | BOOM ASS'Y | 10001-11898 | ||
| 1 | \6\ | BOOM | 11899- | |
| 1 | \6\ | BOOM | 10001-11898 | |
| 2 | 20T-70-41121 | BUSHING | 10001- | |
| 3 | 07145-00050 | SEAL,DUST | 10001- | |
| 4 | 07020-00675 | FITTING,GREASE | 10001- | |
| G-1 | (\8\20T-70-X1210) | BOOM PIN GROUP | 10001- | |
| ==================== | ||||
| 5 | 20T-70-41141 | PIN | 10001- | |
| 6 | 201-70-23140 | SPACER, 1.0MM | 10001- | |
| 7 | 20S-70-31240 | PLATE | 10001- | |
| 8 | 01010-51225 | BOLT | 10001- | |
| 9 | 01643-31232 | WASHER | 10001- | |
| 10 | 20T-70-41131 | PIN | 10001- | |
| 11 | 07020-00000 | FITTING,GREASE | 10001- | |
| 12 | 201-70-23140 | SPACER, 1.0MM | 10001- | |
| 13 | 01010-51635 | BOLT | 10001- | |
| 14 | 20T-70-41160 | SPACER | 10001- | |
| 15 | 20T-70-41151 | PIN | 10001- | |
| 16 | 07020-00000 | FITTING,GREASE | 10001- | |
| 17 | 20T-70-19130 | SPACER, 1.0MM | 10001- | |
| 18 | 01010-51635 | BOLT | 10001- | |
| 19 | 20T-70-41160 | SPACER | 10001- | |
| ==================== | ||||
| G-2 | (\8\20S-70-X1810) | CYLINDER COVER GROUP | 10001- | |
| ==================== | ||||
| 20 | 20U-70-11251 | PLATE | 11234- | |
| 20 | 20U-70-11250 | PLATE | 10001-11233 | |
| 21 | 01010-50812 | BOLT | 10001- | |
| 22 | 01643-30823 | WASHER | 11234- | |
| 23 | 21X-70-11410 | PAD | 11234- | |
| 23 | 20U-70-11261 | PAD | 10001-11233 | |
| 24 | 21X-70-11420 | COLLAR | 11234- | |
| 25 | 01010-50612 | BOLT | 10001- | |
| 26 | 01643-30623 | WASHER | 10001- | |
| 27 | 20T-70-41710 | COVER | 10001- | |
| 28 | 01010-51020 | BOLT | 10001- | |
| 29 | 01643-31032 | WASHER | 10001- | |
| ==================== |