| Item | Part No. | Part Name | Qty | Serial No. |
| 20Y-32-00490 | TRACK SHOE ASSâY | B20104- | ||
| 1 | 20Y-32-00420 | TRACK LINK ASSâY | B20104- | |
| 2 | 20Y-32-31120 | LINK L.H. | B20104- | |
| 3 | 20Y-32-31130 | LINK R.H. | B20104- | |
| 4 | 20Y-32-11240 | SEAL | B20104- | |
| 5 | 20Y-32-11170 | BUSHING, REGULAR | B20104- | |
| 6 | 20Y-32-11140 | BUSHING, REGULAR | B20104- | |
| 7 | 20Y-32-31150 | PIN | B20104- | |
| 8 | 20Y-32-11321 | SHOE | B20104- | |
| 9 | 20Y-32-11210 | BOLT, SHOE | B20104- | |
| 10 | 134-32-61221 | NUT | B20104- | |
| 11 | 20Y-32-11260 | SEAL | B20104- | |
| 12 | 20Y-32-31190 | PIN | B20104- |