| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20S-26-11150 | CASE | 18001- | |
| 2 | 07044-12412 | PLUG | 18001- | |
| 3 | 07002-02434 | O-RING | 18001- | |
| 4 | 06030-22211 | BEARING | 18001- | |
| 5 | 04065-01030 | RING | 18001- | |
| 6 | 20R-26-11330 | COLLAR | 18001- | |
| 7 | 07000-02055 | O-RING | 18001- | |
| 8 | 20S-26-11111 | SHAFT | 18001- | |
| 9 | 07012-00070 | SEAL | 18001- | |
| 10 | 20R-26-11340 | COLLAR | 18001- | |
| 11 | 20S-26-11120 | GEAR | 18001- | |
| 12 | 20S-26-11170 | COLLAR | 18001- | |
| 13 | 20S-26-21110 | CASE | 18001- | |
| 14 | 06044-00308 | BEARING | 18001- | |
| 15 | 20R-26-11360 | COLLAR | 18001- | |
| 16 | 04064-04018 | RING,SNAP | 18001- | |
| 17 | 20S-26-11130 | SHAFT | 18001- | |
| 18 | 06040-06304 | BEARING | 18001- | |
| 19 | 06044-00205 | BEARING | 18001- | |
| 20 | 201-26-41141 | COUPLING | 18001- | |
| 21 | 04050-15050 | PIN,COTTER | 18001- | |
| 22 | 01010-51035 | BOLT | 18001- | |
| 23 | 01602-21030 | WASHER,SPRING | 18001- | |
| 24 | 04020-01434 | PIN,SPRING | 18001- | |
| 25 | 01011-51200 | BOLT | 18001- | |
| 26 | 01602-21236 | WASHER,SPRING | 18001- | |
| 27 | 20S-26-11180 | FILLER | 18001- | |
| 28 | 20S-26-11190 | GAUGE,OIL LEVEL | 18001- |