| Item | Part No. | Part Name | Qty | Serial No. |
| (22M-57-22120) | OPERATOR'S SEAT A.,(SEE FIG.Y1570-01A3) | 5520- | ||
| 1 | 22M-57-21450 | SEAT ASS'Y | 5520- | |
| 2 | 22M-57-21170 | ADJUSTER | 5520- | |
| 3 | 22M-57-21180 | ADJUSTER | 5520- | |
| 4 | 22M-43-21410 | NUT | 5520- | |
| 5 | 22M-57-21470 | SUSPENSION ASS'Y | 5520- | |
| 6 | 22M-57-21480 | LEVER | 5520- | |
| 7 | 22M-57-21490 | BELT | 5520- | |
| 8 | 22M-57-21510 | BOLT | 5520- | |
| 9 | 22M-57-21520 | NUT | 5520- | |
| 10 | 22M-57-21530 | BOLT | 5520- | |
| 11 | 22M-57-21540 | BOLT | 5520- | |
| 12 | 22M-57-21610 | BOLT | 5520- | |
| 13 | 22M-57-21460 | BELT | 5520- | |
| 14 | 01252-70816 | BOLT | 5001- | |
| 15 | 22M-57-21282 | PLATE | 5520- | |
| 16 | 01010-D1020 | BOLT | 5001- | |
| 17 | 01643-71032 | WASHER | 5001- | |
| 18 | 22M-57-21212 | STOPPER | 5001- | |
| 19 | 01010-D1020 | BOLT | 5001- | |
| 20 | 01643-71032 | WASHER | 5001- | |
| 21 | 20T-54-74510 | CAP | 5001- | |
| 22 | 22M-54-26620 | BRACKET | 5520- |
