| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 135-21-32110 | SHAFT,PINION | 20001- | |
| 2 | 135-21-32120 | CAGE | 20001- | |
| 3 | 06002-32219 | BEARING | 20001- | |
| 4 | 131-21-05011 | SHIM ASS'Y | 20001- | |
| 4 | \6\ | SHIM, 0.2MM | 20001- | |
| 4 | \6\ | SHIM, 0.3MM | 20001- | |
| 4 | \6\ | SHIM, 1.0MM | 20001- | |
| 5 | 01010-31235 | BOLT | 20001- | |
| 6 | 01602-21236 | WASHER,SPRING | 20001- | |
| 7 | 06002-30217 | BEARING | 20001- | |
| 8 | 130-21-62210 | NUT | 20001- | |
| 9 | 145-15-31331 | PIN | 20001- | |
| 10 | 130-21-62220 | PLATE | 20001- | |
| 11 | 01010-30610 | BOLT | 20001- | |
| 12 | 130-21-62230 | PLATE,LOCK | 20001- | |
| 13 | 135-21-32130 | GEAR,BEVEL | 20001- | |
| 14 | 135-21-32150 | SHAFT | 20001- | |
| 15 | 131-21-52130 | BOLT,REAMER | 20001- | |
| 16 | 130-21-12140 | LOCK | 20001- | |
| 17 | 01582-01613 | NUT | 20001- | |
| 18 | 135-21-32140 | CAGE | 20001- | |
| 19 | 06002-32215 | BEARING | 20001- | |
| 20 | 130-21-12313 | NUT | 20001- | |
| 21 | 131-21-52320 | NUT | 20001- | |
| 22 | 131-21-52330 | LOCK | 20001- | |
| 23 | 01252-31020 | BOLT | 20001- | |
| 24 | 01602-21030 | WASHER,SPRING | 20001- |