| Item | Part No. | Part Name | Qty | Serial No. |
| 20T-30-00071 | TRACK ROLLER ASS'Y | 3506- | ||
| 1 | 20T-30-74210 | ROLLER | 3506- | |
| 2 | 10E-30-12150 | BUSHING | 3506- | |
| 140-30-00141 | FLOATING SEAL ASS'Y | 3506- | ||
| 3 | 140-30-00401 | SEAL RING ASS'Y | 3506- | |
| \6\ | RING,SEAL | 3506- | ||
| 4 | 140-30-00411 | O-RING ASS'Y | 3506- | |
| \6\ | O-RING | 3506- | ||
| 5 | 20T-30-32330 | SHAFT | 3506- | |
| 6 | 07000-03028 | O-RING | 3506- | |
| 7 | 20T-30-74121 | COLLAR | 3506- | |
| 8 | 20T-30-74130 | COLLAR | 3506- | |
| 9 | 20T-30-74140 | PLUG | 3932- | |
| 01310-20608 | SCREW | 3506-3931 | ||
| 10 | 20T-30-13141 | RING,SNAP | 3506- | |
| 11 | 01010-51635 | BOLT | 3506- | |
| 12 | 01643-31645 | WASHER | 3506- |