| Item | Part No. | Part Name | Qty | Serial No. |
| 20Y-30-00322 | FRONT IDLER ASS'Y | 31878- | ||
| 20Y-30-00321 | FRONT IDLER ASS'Y | 21222-31877 | ||
| 1 | 20Y-30-43310 | IDLER | 31878- | |
| 1 | 20Y-30-33211 | IDLER | 21222-31877 | |
| 2 | 20Y-30-43340 | BUSHING | 31878- | |
| 2 | \0\207-30-56140 | BUSHING | 20001-31877 | |
| 3 | 20Y-30-13131 | SHAFT | 31878- | |
| 3 | \0\20Y-30-13130 | SHAFT | 20001-31877 | |
| 4 | 07052-31624 | PLUG | 20001- | |
| 5 | 07000-12060 | O-RING | 20001- | |
| 195-30-00302 | FLOATING SEAL ASS'Y | 31878- | ||
| 20Y-30-00100 | FLOATING SEAL ASS'Y | 20001-31877 | ||
| 6 | \6\ | SEAL | 31878- | |
| 6 | \6\ | RING | 20001-31877 | |
| 7 | \6\ | O-RING | 31878- | |
| 7 | \6\ | O-RING | 20001-31877 | |
| 8 | 20Y-30-31750 | SUPPORT | 31878- | |
| 8 | 20Y-30-13150 | SUPPORT | 20001-31877 | |
| 9 | 205-30-76190 | PIN | 20001- |