| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20Y-70-83111 | BOOM ASS'Y | 257521- | |
| 1 | \0\20Y-70-83110 | BOOM | 252882-@ | |
| 2 | 20Y-70-83E30 | PLATE (WELDED) | 252882- | |
| 3 | 20Y-70-83E40 | PLATE (WELDED) | 252882- | |
| 4 | 205-62-73430 | SEAT (WELDED) | 252882- | |
| 5 | 20Y-62-13760 | SEAT (WELDED) | 252882- | |
| 6 | 20Y-62-45152 | BRACKET (WELDED) | 257521- | |
| 6 | \0\20Y-62-45150 | BRACKET (WELDED) | 252882-@ | |
| 7 | 20Y-62-45162 | BRACKET (WELDED) | 257521- | |
| 7 | \0\20Y-62-45160 | BRACKET (WELDED) | 252882-@ | |
| 8 | 20Y-62-45182 | BRACKET (WELDED) | 252882- | |
| 9 | 20Y-62-45210 | BRACKET (WELDED) | 252882- | |
| 10 | 20Y-70-11651 | SEAT (WELDED) | 252882- | |
| 11 | KV-C440-1920 | BRACKET (WELDED) | 252882- | |
| 12 | 206-62-81360 | BRACKET (WELDED) | 252882- | |
| 13 | 206-62-81370 | BRACKET (WELDED) | 252882- | |
| 14 | 206-62-81430 | BRACKET (WELDED) | 252882- | |
| 15 | 20Y-62-84920 | BRACKET (WELDED) | 252882- | |
| 16 | 20Y-62-84970 | BRACKET (WELDED) | 252882- | |
| 17 | 20Y-62-84980 | BRACKET (WELDED) | 252882- | |
| 18 | 20Y-70-83E70 | PLATE (WELDED) | 252882- | |
| 19 | 20Y-70-31512 | BUSHING | 256959- | |
| 19 | \0\20Y-70-31511 | BUSHING | 252882-256958 | |
| 20 | 07145-00090 | SEAL | 252882- |