| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 175-21-32113 | SHAFT | 23891- | |
| 1 | 175-21-32112 | SHAFT | 12128-23890 | |
| 175-21-00080 | PINION & GEAR ASS'Y | 12128- | ||
| \6\ | SHAFT,BEVEL | 12128- | ||
| 2 | \6\ | GEAR,BEVEL | 12128- | |
| 3 | 170-21-12170 | BOLT | 12128- | |
| 4 | 01580-11613 | NUT | 12128- | |
| 5 | 170-21-12160 | PLATE | 12128- | |
| 6 | 175-21-32190 | CAGE | 12128- | |
| 7 | 175-21-00032 | SHIM ASS'Y | 12128- | |
| 7 | \6\ | SHIM, 0.1MM | 12128- | |
| 7 | \6\ | SHIM, 0.2MM | 12128- | |
| 7 | \6\ | SHIM, 0.5MM | 12128- | |
| 8 | 06000-32219 | BEARING | 12128- | |
| 9 | 01010-51440 | BOLT | 12128- | |
| 10 | 01643-31445 | WASHER | 12128- | |
| 11 | 198-21-11490 | HUB | 20080- | |
| 11 | 175-21-32162 | HUB | 12128-20079 | |
| 12 | 170-22-11130 | RING | 12128- | |
| 13 | 01010-51645 | BOLT | 12128- | |
| 14 | 01643-31645 | WASHER | 12128- | |
| 15 | 198-21-11480 | PLATE | 20080- | |
| 15 | 170-21-12240 | PLATE | 12128-20079 | |
| 16 | 01010-51025 | BOLT | 20080- | |
| 17 | 01643-31032 | WASHER | 20080- | |
| 18 | 170-21-12141 | NUT | 12128- | |
| 19 | 154-21-22211 | PACKING | 12128- |