| Item | Part No. | Part Name | Qty | Serial No. |
| 20T-30-00101 | IDLER ASS'Y | 21754- | ||
| 20R-30-00023 | IDLER ASS'Y | 18001-21753 | ||
| 1 | 20T-30-31610 | IDLER | 21754- | |
| 1 | 20R-30-11360 | IDLER | 18001-21753 | |
| 2 | 20T-30-31621 | SUPPORT | 21754- | |
| 2 | 20R-30-21121 | SUPPORT | 18001-21753 | |
| 3 | 20T-30-11190 | BUSHING | 21754- | |
| 3 | 10E-30-12150 | BUSHING | 18001-21753 | |
| 4 | 20R-30-11240 | SHAFT | 21754- | |
| 4 | 20T-30-12191 | SHAFT | 18001-21753 | |
| 5 | 07000-03028 | O-RING | 18001- | |
| 6 | 10E-30-12140 | COLLAR | 18001-21753 | |
| 140-30-00041 | FLOATING SEAL ASS'Y | 18001- | ||
| 7 | 140-30-00401 | SEAL RING ASS'Y | 18001- | |
| 7 | \6\ | RING,SEAL | 18001- | |
| 8 | 140-30-00410 | O-RING ASS'Y | 18001- | |
| 8 | \6\ | O-RING | 18001- | |
| 9 | 01090-51045 | BOLT | 18001- | |
| 10 | 01602-21030 | WASHER,SPRING | 18001- |