| Item | Part No. | Part Name | Qty | Serial No. |
| 56B-83-32401 | Body Assembly | 10399- | ||
| 56B-83-32400 | Body Assembly | 10001-10398 | ||
| 1 | 56B-83-37101 | Body Subassembly | 10399- | |
| 1 | 56B-83-37100 | Body | 10001-10398 | |
| 56B-83-32500 | Extension Assembly | 10001- | ||
| 2 | 56B-83-16430 | Plate, Welded | 10001- | |
| 3 | 56B-83-16440 | Plate, Welded | 10001- | |
| 4 | 56B-83-32110 | Plate, Welded | 10001- | |
| 5 | 56B-83-32120 | Plate, Welded | 10001- | |
| 6 | 56B-83-32130 | Plate, Welded | 10001- | |
| 7 | 56B-83-32140 | Plate, Welded | 10001- | |
| 8 | 56B-83-32150 | Plate, Welded | 10001- | |
| 9 | 56B-83-32160 | Plate, Welded | 10001- | |
| 10 | 56B-83-32170 | Plate, Welded | 10001- | |
| 11 | 56B-83-32180 | Plate, Welded | 10001- | |
| 12 | 56B-83-32190 | Plate, Welded | 10001- | |
| 13 | 56B-83-32210 | Plate, Welded | 10001- | |
| 14 | 56B-83-32220 | Plate, Welded | 10001- | |
| 15 | 56B-83-32230 | Plate, Welded | 10001- | |
| 16 | 56B-83-36510 | Plate, Welded | 10001- | |
| 17 | 07048-02015 | Plug, Plastic | 10001- | |
| 18 | 09690-P1120 | Plate, Komatsu Logo | 10001- |