| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 262-70-12511 | DISC,SIDE, L.H. | 12001- | |
| 1 | 262-70-13120 | BOX,BIT (WELDED) | 12001- | |
| 2 | 262-70-12521 | DISC,SIDE, R.H. | 12001- | |
| 2 | 262-70-13120 | BOX,BIT (WELDED) | 12001- | |
| 3 | 01010-52470 | BOLT | 12001- | |
| 4 | 01643-32460 | WASHER | 12001- | |
| 5 | 01011-83000 | BOLT | 12001- | |
| 6 | 01580-13024 | NUT | 12001- | |
| 7 | 01643-33080 | WASHER | 12001- | |
| 8 | 262-70-12531 | DISC,INSIDE, L.H. | 12001- | |
| 8 | 262-70-13120 | BOX,BIT (WELDED) | 12001- | |
| 9 | 262-70-12551 | DISC,INSIDE, R.H. | 12001- | |
| 9 | 262-70-13120 | BOX,BIT (WELDED) | 12001- | |
| 10 | 262-70-12630 | PLATE,JOINT | 12001- | |
| 11 | 01010-52465 | BOLT | 12001- | |
| 12 | 01580-12419 | NUT | 12001- | |
| 13 | 01643-32460 | WASHER | 12001- | |
| 14 | 01010-83080 | BOLT | 12001- | |
| 15 | 01580-13024 | NUT | 12001- | |
| 16 | 01643-33080 | WASHER | 12001- | |
| 17 | 262-70-23210 | BIT ASS'Y | 12001- | |
| 18 | 01010-50830 | BOLT | 12001- | |
| 19 | 01580-10806 | NUT | 12001- | |
| 20 | 01643-30823 | WASHER | 12001- |