| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 234-70-35110 | CASE | 21001- | |
| 2 | 234-70-35330 | SHAFT | 21008- | |
| 2 | 234-70-35130 | SHAFT | 21001-21007 | |
| 3 | 234-71-13190 | BUSHING | 21001- | |
| 4 | 232-70-54440 | BUSHING | 21001- | |
| 5 | 234-70-35150 | WASHER | 21001- | |
| 6 | 234-70-35141 | WHEEL,WORM | 21018- | |
| 6 | 234-70-35140 | WHEEL,WORM | 21001-21017 | |
| 7 | 234-70-35170 | LOCK | 21001- | |
| 8 | 01090-51660 | BOLT | 21001- | |
| 9 | 01582-11613 | NUT | 21001- | |
| 10 | 234-70-35120 | COVER | 21001- | |
| 11 | 07040-13016 | PLUG | 21001- | |
| 12 | 07002-13034 | O-RING (KIT) | 21001- | |
| 13 | 07000-15340 | O-RING (KIT) | 21001- | |
| 14 | 01010-51230 | BOLT | 21001- | |
| 15 | 01643-31232 | WASHER | 21001- | |
| 16 | 234-70-35160 | GEAR | 21001- | |
| 17 | 06002-30312 | BEARING | 21001- | |
| 18 | 07011-00055 | SEAL | 21001-21085 | |
| 19 | 234-70-35191 | HOUSING | 21086- | |
| 19 | 234-70-35190 | HOUSING | 21001-21085 | |
| 20 | 07000-15150 | O-RING (KIT) | 21001- | |
| 21 | 234-70-00210 | SHIM ASS'Y | 21001- | |
| 21 | \6\ | SHIM, 1.0MM | 21001- | |
| 21 | \6\ | SHIM, 0.2MM | 21001- | |
| 21 | \6\ | SHIM, 0.1MM | 21001- | |
| 22 | 01140-51640 | STUD | 21001- | |
| 23 | 01582-11613 | NUT | 21001- | |
| 24 | 01643-31645 | WASHER | 21001- | |
| 25 | 232-71-13150 | PIN | 21001- | |
| 26 | 01010-52475 | BOLT | 21001- | |
| 27 | 01010-52460 | BOLT | 21001- | |
| 28 | 01643-32460 | WASHER | 21001- | |
| 29 | 234-70-35240 | PLATE | 21001-21085 | |
| 30 | 01010-51240 | BOLT | 21001-21085 | |
| 31 | 01643-31232 | WASHER | 21001-21085 | |
| 32 | 01640-21223 | WASHER | 21001-21085 | |
| 33 | 01252-41240 | BOLT | 21086- | |
| 33 | 01010-51240 | BOLT | 21001-21085 | |
| 34 | 01641-21223 | WASHER | 21086- | |
| 34 | 01602-21236 | WASHER,SPRING | 21001-21085 | |
| 35 | 02010-70619 | BOLT | 21086- | |
| 36 | 232-860-5320 | WASHER | 21086- | |
| 37 | 07000-12085 | O-RING | 21086- | |
| 38 | 07012-00062 | SEAL,OIL | 21001- | |
| SERVICE KIT | ||||
| KIT | 234-70-07020 | SERVICE KIT,CIRCLE REVERSE GEAR | 21001- |