| Item | Part No. | Part Name | Qty | Serial No. |
| 154-30-01062 | Track Roller Assembly | 12256- | ||
| 1 | 154-30-74220 | Roller | 12256- | |
| 2 | 154-30-74232 | Shaft | 12256- | |
| 3 | 07000-12060 | O-ring | 12256- | |
| 4 | 07052-31624 | Plug | 12256- | |
| 5 | 154-30-74200 | Bushing Assembly | 12256- | |
| 6 | 170-30-91130 | Pin, Dowel | 12256- | |
| 7 | 07000-12110 | O-ring | 12256- | |
| 8 | 175-30-36340 | Bolt | 12256- | |
| 9 | 01643-51232 | Washer | 12256- | |
| 9 | 154-30-00832 | Floating Seal Assembly | 12256- | |
| 10 | Seal | 12256- | ||
| 11 | O-ring | 12256- | ||
| 12 | 154-30-74281 | Collar, Inner | 12256- | |
| 13 | 154-30-74291 | Collar, Outer | 12256- | |
| 14 | 154-30-74270 | Ring | 12256- | |
| 15 | 154-30-74391 | Key | 12256- | |
| 16 | 01010-62290 | Bolt | 12256- | |
| 17 | 01643-32260 | Washer | 12256- |