| Item | Part No. | Part Name | Qty | Serial No. |
| 120-21-00021 | STEERING CASE ASS'Y,(EXCEPT D41A-3A) | | 6001- |
| 120-Y46-0110 | STEERING CASE ASS'Y,(D41A-3A) | | 6001- |
| 1 | \6\ | CASE AND FRAME,(EXCEPT D41A-3A) | | 6001- |
| 1 | \6\ | CASE AND FRAME,(D41A-3A) | | 6001- |
| 1 | 120-21-31360 | BUSHING (WELDED) | | 6001- |
| 2 | 07049-02430 | PLUG | | 6001- |
| 3 | 131-21-41520 | PLUG | | 6001- |
| 4 | 07049-02025 | PLUG | | 6001- |
| 5 | 07044-13620 | PLUG | | 6001- |
| 6 | 07002-03634 | O-RING | | 6001- |
| 7 | 07040-13016 | PLUG | | 6001- |
| 8 | 07002-03034 | O-RING | | 6001- |
| 9 | 131-21-41222 | COVER,(EXCEPT D40AM) | | 6001- |
| 10 | 07000-05185 | O-RING,(EXCEPT D40AM) | | 6001- |
| 11 | 01010-31430 | BOLT,(EXCEPT D40AM) | | 6001- |
| 12 | 01602-01442 | WASHER,SPRING (EXCEPT D40AM) | | 6001- |
| 13 | 120-21-31381 | CAP | | 6001- |
| 14 | 01010-32280 | BOLT | | 6001- |
| 15 | 01643-32260 | WASHER | | 6001- |
| 16 | 120-21-31220 | COVER | | 6001- |
| 17 | 01010-31425 | BOLT | | 6001- |
| 18 | 01602-01442 | WASHER,SPRING | | 6001- |
| 19 | 120-21-31241 | BRACKET | | 6001- |
| 20 | 01010-31230 | BOLT | | 6001- |
| 21 | 01650-21212 | WASHER,LOCK | | 6001- |
| 22 | 113-21-22190 | PIN | | 6001- |
| 23 | 120-21-31391 | PLATE | | 6001- |
| 24 | 01010-31016 | BOLT | | 6001- |
| 25 | 113-21-22160 | LOCK | | 6001- |
| 26 | 120-21-31283 | FILLER | | 6001- |
| 27 | 120-21-31262 | GASKET | | 6001- |
| 28 | 01010-31025 | BOLT | | 6001- |
| 29 | 01602-01030 | WASHER,SPRING | | 6001- |
| 30 | 120-21-31292 | GAUGE,OIL LEVEL | | 6001- |
