| Item | Part No. | Part Name | Qty | Serial No. |
| 155-21-00053 | STEERING CASE ASS'Y | 1279- | ||
| \0\155-21-00052 | STEERING CASE ASS'Y | 1063-1278 | ||
| 155-21-00051 | STEERING CASE ASS'Y | 1021-1062 | ||
| 155-21-00050 | STEERING CASE ASS'Y | 1003-1020 | ||
| 1 | \6\ | CASE AND FRAME | 1063- | |
| 1 | \6\ | CASE AND FRAME | 1021-1062 | |
| 1 | \6\ | CASE AND FRAME | 1003-1020 | |
| 3A | 07049-03342 | PLUG,WOOD | 1003- | |
| 4 | 07044-13620 | PLUG,DRAIN | 1279- | |
| 4 | 07044-13620 | PLUG,DRAIN | 1003-1278 | |
| 5 | 07000-03032 | O-RING | 1279- | |
| 5 | 07000-03032 | O-RING | 1003-1278 | |
| 6 | 07041-13612 | PLUG | 1003- | |
| 7 | 07000-03032 | O-RING | 1003- | |
| 8 | 04020-01842 | PIN,DOWEL | 1003- | |
| 9 | 01120-31640 | STUD,BOLT | 1003- | |
| 10 | 01602-01648 | WASHER,SPRING | 1003- | |
| 11 | 01582-01613 | NUT | 1003- | |
| 12 | 154-21-21510 | GASKET | 1003- | |
| 13 | 170-21-11190 | NIPPLE | 1003- | |
| 14 | 07030-00252 | BREATHER | 1003- | |
| 15 | 155-21-13114 | TUBE,OIL FILLER | 1021- | |
| 15 | \3\155-21-13113 | TUBE,OIL FILLER | 1003-1020 | |
| (155-21-13114,07000-02060) | ||||
| 16 | 07000-02060 | O-RING | 1021- | |
| 16 | 154-21-11581 | GASKET | 1003-1020 | |
| 17 | 01010-31230 | BOLT | 1003- | |
| 18 | 01602-01236 | WASHER,SPRING | 1003- | |
| 19 | 154-21-11610 | STRAINER,OIL | 1314- | |
| 19 | \0\130-60-13241 | STRAINER,OIL | 1003-1313 | |
| 20 | 04065-04518 | RING | 1429- | |
| 20 | \0\150-60-22410 | RING | 1003-1428 | |
| 21 | 155-21-13123 | GAUGE,OIL LEVEL | 1003- | |
| 22 | 154-21-11640 | CAP ASS'Y | 1003- | |
| 23 | 175-21-32170 | COVER,REAR | 1366- | |
| 23 | \0\154-21-11740 | COVER,REAR | 1003-1365 | |
| 24 | 07000-05195 | O-RING | 1003- | |
| 25 | 01010-32040 | BOLT | 1003- | |
| 26 | 01602-02060 | WASHER | 1003- | |
| SLAG HANDLING PARTS | ||||
| 1 | 155-21-00063 | STEERING CASE ASS'Y | 1279- | |
| 1 | \0\155-21-00062 | STEERING CASE ASS'Y | 1063-1278 | |
| 1 | 155-21-00061 | STEERING CASE ASS'Y | 1021-1062 | |
| 1 | 155-21-00060 | STEERING CASE ASS'Y | 1003-1020 | |
| 3A | 154-21-11750 | BOLT | 1003- | |
| 3B | 01601-03382 | WASHER,SPRING | 1003- | |
| 5 | 07000-33032 | O-RING | 1003- | |
| 7 | 07000-33032 | O-RING | 1003- |