| Item | Part No. | Part Name | Qty | Serial No. |
| 23C-40-61501 | WHEEL ASS'Y,STEERING | 25077- | ||
| (\2\23C-40-61500) | WHEEL ASS'Y,STEERING | (25077-25496) | ||
| 23C-40-61510 | WHEEL ASS'Y | 25077- | ||
| 1 | 421-40-42350 | WHEEL | 25077- | |
| 2 | 421-40-42310 | INSERT | 25077- | |
| 3 | 421-40-42320 | BOSS | 25077- | |
| 4 | 421-40-42330 | PLATE | 25077- | |
| 5 | 421-40-42340 | PLATE | 25077- | |
| 421-40-42360 | COVER | 25077- | ||
| 6 | 421-40-42370 | COVER | 25077- | |
| 7 | 421-40-42380 | SEAL | 25077- | |
| 8 | 421-40-42390 | SCREW | 25077- | |
| 9 | 23C-40-61610 | CAP | 25077- | |
| 10 | 23C-40-61620 | SCREW | 25077- | |
| 421-40-42230 | PAD ASS'Y | 25077- | ||
| 11 | 421-40-42510 | PAD | 25077- | |
| 12 | 421-40-42520 | SPRING LOCK | 25077- | |
| 421-40-42240 | NEEDLE ASS'Y | 25077- | ||
| 13 | 421-40-42530 | NEEDLE | 25077- | |
| 14 | 421-40-42540 | SPRING | 25077- | |
| 15 | 23B-40-31401 | COLUMN ASS'Y | 25249- | |
| 15 | \0\23B-40-31400 | COLUMN ASS'Y | 25077-25248 | |
| 16 | 08021-00400 | CONNECTOR | 25077- | |
| 17 | 02010-70638 | BOLT | 25077- | |
| 18 | 01643-31032 | WASHER | 25077- | |
| 19 | 421-40-12440 | NUT | 25077- | |
| 20 | 421-40-12450 | WASHER | 25077- |