| Item | Part No. | Part Name | Qty | Serial No. |
| 145-21-00500 | STEERING CASE ASS'Y | | 15001- |
| 145-21-00210 | STEERING CASE ASS'Y,(FOR SLAG HANDLING) | | 15001- |
| 1 | 145-21-51100 | CASE AND FRAME | | 15001- |
| 2 | 07049-02430 | PLUG | | 15001- |
| 07049-02430 | PLUG,(FOR SLAG HANDLING) | | 15001- |
| 2A | 145-21-41250 | BOLT,(FOR SLAG HANDLING) | | 15001- |
| 2B | 01643-32460 | WASHER,(FOR SLAG HANDLING) | | 15001- |
| 3 | 07049-03342 | PLUG | | 15001- |
| 3A | 154-21-11750 | BOLT,(FOR SLAG HANDLING) | | 15001- |
| 3B | 01643-33380 | WASHER,(FOR SLAG HANDLING) | | 15001- |
| 4 | 145-21-41180 | CAP | | 15001- |
| 5 | 145-21-41190 | CAP | | 15001- |
| 6 | 01010-82295 | BOLT | | 15001- |
| 7 | 01643-32260 | WASHER | | 15001- |
| 8 | 170-21-11190 | NIPPLE | | 15001- |
| 9 | 07030-00252 | BREATHER | | 15001- |
| 10 | 135-21-11210 | PLATE | | 15001- |
| 11 | 01010-81630 | BOLT | | 15001- |
| 12 | 01643-31645 | WASHER | | 15001- |
| 13 | 07000-03110 | O-RING | | 15001- |
| 07000-33110 | O-RING,(FOR SLAG HANDLING) | | 15001- |
| 14 | 145-21-31241 | GAUGE,OIL LEVEL | | 15001- |
| 15 | 07000-03038 | O-RING | | 15001- |
| 07000-33038 | O-RING,(FOR SLAG HANDLING) | | 15001- |
| 16 | 07044-13620 | PLUG | | 15001- |
| 17 | 07040-13618 | PLUG | | 15001- |
| 18 | 07002-03634 | O-RING | | 15001- |
| 07002-33634 | O-RING,(FOR SLAG HANDLING) | | 15001- |
