| Item | Part No. | Part Name | Qty | Serial No. |
| 20Y-30-00322 | FRONT IDLER ASS'Y | B20150- | ||
| 20Y-30-00321 | FRONT IDLER ASS'Y | B20001-B20149 | ||
| 1 | 20Y-30-43310 | IDLER | B20150- | |
| 20Y-30-33211 | IDLER | B20001-B20149 | ||
| 2 | 20Y-30-43340 | BUSHING | B20150- | |
| \0\207-30-56140 | BUSHING | B20001-B20149 | ||
| 3 | 20Y-30-13131 | SHAFT | B20150- | |
| \0\20Y-30-13130 | SHAFT | B20001-B20149 | ||
| 4 | 07052-31624 | PLUG | B20001- | |
| 5 | 07000-12060 | O-RING | B20001- | |
| 195-30-00302 | FLOATING SEAL ASS'Y | B20150- | ||
| 20Y-30-00100 | FLOATING SEAL ASS'Y | B20001-B20149 | ||
| 6 | \6\ | RING | B20150- | |
| \6\ | RING | B20001-B20149 | ||
| 7 | \6\ | O-RING | B20150- | |
| \6\ | O-RING | B20001-B20149 | ||
| 8 | 20Y-30-31750 | SUPPORT | B20150- | |
| 20Y-30-13150 | SUPPORT | B20001-B20149 | ||
| 9 | 205-30-76190 | PIN | B20001- |