| Item | Part No. | Part Name | Qty | Serial No. |
| 22M-57-21131 | OPERATOR'S SEAT A. | 30001- | ||
| 1 | 22M-57-21150 | SEAT ASS'Y | 30001- | |
| 2 | 22M-57-21160 | LEVER | 30001- | |
| 3 | 22M-57-21170 | ADJUSTER,L.H. | 30001- | |
| 4 | 22M-57-21180 | ADJUSTER,R.H. | 30001- | |
| 5 | 22M-57-21190 | SEAT | 30001- | |
| 6 | 22M-43-21410 | NUT | 30001- | |
| 7 | 22M-57-21440 | SPACER | 30001- | |
| 8 | 22M-57-21530 | BOLT | 30001- | |
| 9 | 22M-57-21430 | WASHER | 30001- | |
| 10 | 01252-70816 | BOLT | 30001- | |
| 11 | 22M-57-21212 | STOPPER | 30001- | |
| 12 | 01010-D1020 | BOLT | 30001- | |
| 13 | 01643-71032 | WASHER | 30001- |