| Item | Part No. | Part Name | Qty | Serial No. |
| 21M-30-00101 | TRACK ROLLER ASSEMBLY | K50150- | ||
| (\2\21M-30-00100) | TRACK ROLLER ASSEMBLY | K50001-K50149 | ||
| 1 | 21M-30-15101 | ROLLER | K50150- | |
| (\2\21M-30-15100) | ROLLER | K50001-K50149 | ||
| 2 | 21M-30-15110 | BUSHING | K50001- | |
| 3 | 21M-30-15120 | SHAFT | K50001- | |
| 4 | 21M-30-15131 | COLLAR | K50150- | |
| (\2\21M-30-15130) | COLLAR | K50001-K50149 | ||
| 5 | 201-32-51150 | PIN | K50001- | |
| 6 | 07000-15090 | O-RING | K50001- | |
| 7 | 209-30-63150 | PLUG | K50001- | |
| 198-30-00073 | FLOATING SEAL ASSEMBLY | K50001- | ||
| 8 | \6\ | RING | K50001- | |
| 9 | \6\ | O-RING | K50001- | |
| 10 | 21M-30-15190 | BOLT | K50001- | |
| 11 | 20Y-25-11220 | WASHER | K50001- |