| Item | Part No. | Part Name | Qty | Serial No. |
| (421-U20-1030) | AXLE ASS'Y | 20001- | ||
| 421-22-11042 | DIFFERENTIAL ASS'Y | 20001- | ||
| 421-22-11100 | CARRIER ASS'Y | 20001- | ||
| 1 | \6\ | CARRIER | 20001- | |
| 2 | \6\ | CAP | 20001- | |
| 3 | 423-22-11161 | PIN | 20001- | |
| 4 | 01011-62440 | BOLT | 20001- | |
| 5 | 01643-32460 | WASHER | 20001- | |
| 6 | 421-22-11180 | BOLT | 20001- | |
| 7 | 01583-02414 | NUT | 20001- | |
| 421-22-11202 | PINION ASS'Y | 20001- | ||
| 8 | \6\ | PINION | 20001- | |
| 9 | \6\ | GEAR | 20001- | |
| 10 | 421-22-11841 | BEARING | 20001- | |
| 11 | 04064-04518 | RING,SNAP | 20001- | |
| 421-22-11501 | CASE ASS'Y | 20001- | ||
| 12 | \6\ | CASE | 20001- | |
| 13 | \6\ | CASE | 20001- | |
| 14 | 01010-31495 | BOLT | 20001- | |
| 15 | 01010-31475 | BOLT | 20001- | |
| 16 | 01643-31445 | WASHER | 20001- | |
| 17 | 01010-31645 | BOLT | 20001- | |
| 18 | 01643-31645 | WASHER | 20001- | |
| 19 | 421-22-11440 | SHAFT | 20001- | |
| 20 | 421-22-11450 | PINION | 20001- | |
| 21 | 421-22-11691 | WASHER | 20001- | |
| 22 | 421-22-11461 | GEAR | 20001- | |
| 23 | 421-22-11681 | WASHER | 20001- | |
| 24 | 175-21-12180 | PIN | 20001- | |
| 25 | 421-22-11860 | BEARING | 20001- | |
| 26 | 421-22-11141 | NUT | 20001- | |
| 27 | 421-22-11150 | LOCK | 20001- | |
| 28 | 01010-31430 | BOLT | 20001- | |
| 29 | 01643-31445 | WASHER | 20001- | |
| 30 | 421-22-11131 | CAGE | 20001- | |
| 31 | 421-22-11871 | BEARING | 20001- | |
| 32 | 421-22-11341 | SPACER | 20001- | |
| 33 | 07000-05175 | O-RING (K4) | 20001- | |
| 34 | 07000-05180 | O-RING (K4) | 20001- | |
| 35 | 421-22-11290 | CAGE | 20001- | |
| 36 | 07012-00095 | SEAL,OIL (K4) | 20001- | |
| 37 | 421-22-11760 | SEAL,DUST (K4) | 20001- | |
| 38 | 421-22-05030 | SHIM KIT (K4) | 20001- | |
| 38 | 421-22-11391 | SHIM, 0.2MM | 20001- | |
| 38 | 421-22-11381 | SHIM, 0.3MM | 20001- | |
| 38 | 421-22-11371 | SHIM, 1.0MM | 20001- | |
| 39 | 01010-31460 | BOLT | 20001- | |
| 40 | 01643-31445 | WASHER | 20001- | |
| 41 | 421-22-11362 | SUPPORT | 20001- | |
| 42 | 01010-31450 | BOLT | 20001- | |
| 43 | 01643-31445 | WASHER | 20001- | |
| 44 | 421-22-11283 | COUPLING | 20001- | |
| 45 | 421-22-11322 | DISC | 20001- | |
| 46 | 01010-31440 | BOLT | 20001- | |
| 47 | 01643-31445 | WASHER | 20001- | |
| 48 | 421-22-11240 | HOLDER | 20001- | |
| 49 | 07000-05055 | O-RING (K4) | 20001- | |
| 50 | 01051-62420 | BOLT | 20001- | |
| 51 | 07000-05450 | O-RING (K4) | 20001- | |
| 52 | 04020-01638 | PIN,DOWEL | 20001- | |
| 53 | 01010-31440 | BOLT | 20001- | |
| 54 | 01010-31445 | BOLT | 20001- | |
| 55 | 01643-31445 | WASHER | 20001- |