| Item | Part No. | Part Name | Qty | Serial No. |
| 12Y-30-00031 | TRACK ROLLER ASSEMBLY | B13500- | ||
| 1 | 12Y-30-17120 | ROLLER | B13500- | |
| 2 | 12Y-30-17130 | SHAFT | B13500- | |
| 3 | 07000-13048 | O-RING | B13500- | |
| 4 | 07052-31217 | PLUG | B13500- | |
| 12Y-30-17200 | BUSHING ASSEMBLY | B13500- | ||
| 5 | 12Y-30-17160 | BUSHING | B13500- | |
| 6 | 12Y-30-17170 | BUSHING | B13500- | |
| 7 | 170-30-91130 | PIN | B13500- | |
| 8 | 07000-12095 | O-RING | B13500- | |
| 9 | 01010-81030 | BOLT | B13500- | |
| 10 | 01643-51032 | WASHER | B13500- | |
| 12Y-30-00111 | FLOATING SEAL ASSEMBLY | B13500- | ||
| 11 | (NSS) | SEAL | B13500- | |
| 12 | (NSS) | O-RING | B13500- | |
| 13 | 12Y-30-17140 | COLLAR | B13500- | |
| 14 | 12Y-30-17150 | COLLAR | B13500- | |
| 15 | 12Y-30-17210 | RING | B13500- | |
| 16 | 111-30-11370 | THRUST | B13500- |