| Item | Part No. | Part Name | Qty | Serial No. |
| 124-30-00102 | IDLER ASS'Y | B20501- | ||
| \0\124-30-00101 | IDLER ASS'Y | B20001-B20500 | ||
| 1 | 124-30-51111 | IDLER | B20001- | |
| 2 | 203-30-52141 | SHAFT | B20001- | |
| 3 | 203-30-52190 | BUSHING | B20001- | |
| 4 | 07000-03048 | O-RING | B20001- | |
| 5 | 124-30-51123 | SUPPORT | B20501- | |
| \0\124-30-51122 | SUPPORT | B20001-B20500 | ||
| 175-30-00702 | FLOATING SEAL ASS'Y | B20001- | ||
| 6 | 175-30-00691 | SEAL RING ASS'Y | B20001- | |
| \6\ | RING | B20001- | ||
| 7 | 175-30-00581 | O-RING ASS'Y | B20001- | |
| \6\ | O-RING | B20001- | ||
| 8 | 20X-30-22180 | PIN | B20001- | |
| 9 | 07052-31217 | PLUG | B20001- | |
| 10 | 124-27-51155 | SPROCKET | B20501- | |
| 124-27-51154 | SPROCKET | B20001-B20500 | ||
| 11 | 01010-82490 | BOLT | B20501- | |
| 01010-82460 | BOLT | B20001-B20500 | ||
| 12 | 01643-32460 | WASHER | B20001- |