| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20K-46-43130 | Counterweight Assembly | H55300- | |
| 2 | 20K-46-42110 | Sheet | H55300- | |
| 3 | 20K-46-42120 | Sheet | H55300- | |
| 4 | 20K-46-42130 | Sheet | H55300- | |
| 5 | 20K-46-42140 | Sheet | H55300- | |
| 6 | 20K-46-42150 | Sheet | H55300- | |
| 7 | 205-977-7310 | Grommet | H55300- | |
| 8 | 20K-46-33810 | Washer | H55300- | |
| 9 | 21P-46-K1780 | Plate, 0.5mm | H55300- | |
| 10 | 20Y-46-K2660 | Plate | H55300- | |
| 11 | 20Y-46-11270 | Cap | H55300- | |
| 12 | 20K-46-41210 | Bolt | H55300- |