| Item | Part No. | Part Name | Qty | Serial No. |
| 145-21-00100 | STEERING CASE ASS'Y | 7001- | ||
| 1 | 145-21-41100 | CASE AND FRAME | 7001- | |
| 2 | 07049-02430 | PLUG | 7001- | |
| 3 | 07049-03342 | PLUG | 7001- | |
| 4 | 07040-13618 | PLUG | 7001- | |
| 5 | 07002-03634 | O-RING | 7001- | |
| 6 | 145-21-31241 | GAUGE | 7001- | |
| 7 | 07000-03038 | O-RING | 7001- | |
| 8 | 07030-00252 | BREATHER | 7348- | |
| 8 | 07030-00252 | BREATHER | 7001-7347 | |
| 9 | 170-21-11190 | NIPPLE | 7348- | |
| 9 | 170-21-11190 | NIPPLE | 7001-7347 | |
| 10 | 07002-03634 | O-RING | 7001- | |
| 11 | 07040-13618 | PLUG | 7001- | |
| 12 | 07044-13620 | PLUG | 7001- | |
| 13 | 07002-03634 | O-RING | 7001- | |
| 14 | 135-21-11210 | PLATE | 7001- | |
| 15 | 07000-03110 | O-RING | 7001- | |
| 16 | 01010-31630 | BOLT | 7001- | |
| 17 | 01643-31645 | WASHER | 7001- | |
| 18 | 145-21-41180 | CAP | 7001- | |
| 19 | 01011-82200 | BOLT | 7001- | |
| 20 | 01643-32260 | WASHER | 7001- | |
| 21 | 07044-13620 | PLUG | 7001- | |
| 22 | 07002-03634 | O-RING | 7001- | |
| 23 | 145-21-41190 | CAP | 7001- | |
| SLAG HANDLING PARTS | ||||
| 1 | 145-21-00400 | STEERING CASE ASS'Y | 10001- | |
| 1 | 145-21-41110 | CASE AND FRAME | 10001- | |
| 5 | 07002-33634 | O-RING | 10001- | |
| 7 | 07000-33038 | O-RING | 10001- | |
| 10 | 07002-33634 | O-RING | 10001- | |
| 13 | 07002-33634 | O-RING | 10001- | |
| 15 | 07000-33110 | O-RING | 10001- | |
| 22 | 07003-33634 | GASKET | 10001- |