| Item | Part No. | Part Name | Qty | Serial No. |
| 56C-83-15000 | EXTENSION ASS'Y | 1001- | ||
| 1 | 56C-83-15110 | PLATE (WELDED) | 1001- | |
| 2 | 56C-83-15120 | PLATE (WELDED) | 1001- | |
| 3 | 56C-83-15130 | PLATE (WELDED) | 1001- | |
| 4 | 56C-83-15140 | PLATE (WELDED) | 1001- | |
| 5 | 56C-83-15150 | PLATE (WELDED) | 1001- | |
| 6 | 56C-83-15160 | PLATE (WELDED) | 1001- | |
| 7 | 56B-83-12170 | PLATE (WELDED) | 1001- | |
| 8 | 56C-83-15180 | PLATE (WELDED) | 1001- | |
| 9 | 56C-83-15190 | PLATE (WELDED) | 1001- | |
| 10 | 56C-83-15210 | PLATE (WELDED) | 1001- | |
| 11 | 56C-83-15220 | PLATE (WELDED) | 1001- |