| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20M-30-31711 | FRAME,TRACK | 2501-3100 | |
| 2 | 20M-30-11830 | PLATE | 2501-@ | |
| 3 | 01010-51016 | BOLT | 2501-@ | |
| 4 | 20N-30-41240 | COVER | 2501-@ | |
| 5 | 01010-51020 | BOLT | 2501-@ | |
| 6 | 01602-21030 | WASHER,SPRING | 2501-@ | |
| 7 | 20M-30-11870 | GUARD,L.H. OUTER | 2501-3100 | |
| 8 | 20M-30-11820 | GUARD,L.H. INNER | 2501-3100 | |
| 9 | 20M-30-11810 | GUARD,R.H. INNER | 2501-3100 | |
| 10 | 20M-30-11880 | GUARD,R.H. OUTER | 2501-3100 | |
| 11 | 01010-51025 | BOLT | 2501-@ | |
| 12 | 01643-01032 | WASHER | 2501-@ | |
| 13 | 01010-51030 | BOLT | 2501-@ | |
| 14 | 01010-51025 | BOLT | 2501-3100 | |
| 15 | 01643-31032 | WASHER | 2501-3100 | |
| 16 | 20M-30-31630 | PLATE | 2501-3100 | |
| 17 | 01010-50820 | BOLT | 2501-3100 | |
| 18 | 01602-20825 | WASHER,SPRING | 2501-3100 | |
| 19 | 20M-30-31610 | COVER,L.H. | 2501-3100 | |
| 20 | 20M-30-31620 | COVER,R.H. | 2501-3100 | |
| 21 | 01010-51025 | BOLT | 2501-3100 | |
| 22 | 01011-51005 | BOLT | 2501-3100 | |
| 23 | 01602-21030 | WASHER,SPRING | 2501-3100 | |
| 24 | 01643-31032 | WASHER | 2501-3100 |