| G-1 | 21W-973-X120 | MODIFIED GROUP,(FOR ATTACHMENT) (OP) | |
| 1 | 21W-973-1230 | BOOM,3RD | |
| 2 | 21W-70-11230 | PIN | |
| 3 | 203-70-34260 | SPACER¤ 0.5MM | |
| |3 | 202-70-11640 | SPACER¤ 1.0MM | |
| 4 | 21W-70-11310 | PLATE | |
| 5 | 01010-51230 | BOLT | |
| 6 | 01643-31232 | WASHER | |
| 7 | 21W-70-11250 | PIN | |
| 8 | 07020-00675 | FITTING,GREASE | |
| 9 | 203-70-24150 | SPACER¤ 1.0MM | |
| 10 | 21W-70-11320 | PLATE | |
| 11 | 01010-51230 | BOLT | |
| 12 | 01602-21236 | WASHER,SPRING |
