| G-1 | 20S-973-X190 | BOOM GROUP | |
| |1 | 20S-973-0110 | BOOM ASS'Y | |
| 1 | BOOM | ||
| 2 | 20S-70-31170 | BUSHING | |
| 3 | 07145-00040 | SEAL,DUST | |
| 4 | 07020-00675 | FITTING,GREASE | |
| G-2 | 20S-70-X1200 | BOOM PIN GROUP | |
| 5 | 20S-70-31140 | PIN | |
| 6 | 20R-70-11260 | SPACER¤ 1.0MM | |
| 7 | 20S-70-31240 | PLATE | |
| 8 | 01010-51225 | BOLT | |
| 9 | 01643-31232 | WASHER | |
| 10 | 20S-70-31161 | PIN | |
| 11 | 07020-00000 | FITTING,GREASE | |
| 12 | 20R-70-11260 | SPACER¤ 1.0MM | |
| 13 | 01010-51230 | BOLT | |
| 14 | 20S-70-31180 | SPACER | |
| 15 | 20S-70-31161 | PIN | |
| 16 | 07020-00000 | FITTING,GREASE | |
| 17 | 20R-70-11260 | SPACER¤ 1.0MM | |
| 18 | 01010-51230 | BOLT | |
| 19 | 20S-70-31180 | SPACER | |
| G-3 | 20S-70-X1600 | CYLINDER COVER GROUP | |
| 20 | 20S-70-31720 | COVER | |
| 21 | 01010-51020 | BOLT | |
| 22 | 01643-31032 | WASHER | |
| 23 | 21X-70-11410 | PAD | |
| |23 | 20U-70-11261 | PAD | |
| 24 | 21X-70-11420 | COLLAR | |
| 25 | 01010-50612 | BOLT | |
| 26 | 01643-30623 | WASHER | |
| 27 | 20S-70-31710 | BRACKET | |
| 28 | 01010-50812 | BOLT | |
| 29 | 01643-30823 | WASHER |
