| Item | Part No. | Part Name | Qty | Serial No. |
| 22M-57-22120 | OPERATOR'S SEAT A. | 5001- | ||
| 1 | 22M-57-21450 | SEAT ASS'Y | 5001- | |
| 2 | 22M-57-21170 | ADJUSTER,L.H. | 5001- | |
| 3 | 22M-57-21180 | ADJUSTER,R.H. | 5001- | |
| 4 | 22M-43-21410 | NUT | 5001- | |
| 5 | 22M-57-21460 | BELT,SEAT | 5001- | |
| 6 | 22M-57-21470 | SUSPENSION ASS'Y | 5001- | |
| 7 | 22M-57-21480 | LEVER | 5001- | |
| 8 | 22M-57-21490 | BELT,SEAT | 5001- | |
| 9 | 22M-57-21510 | BOLT | 5001- | |
| 10 | 22M-57-21520 | NUT | 5001- | |
| 11 | 22M-57-21530 | BOLT | 5001- | |
| 12 | 22M-57-21540 | BOLT | 5001- | |
| 13 | 22M-57-21610 | BOLT | 5001- |