| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | (22M-57-21131) | OPERATOR'S SEAT A.,(SEE FIG.Y1570-01A0) | 5664- | |
| 1 | 22M-57-21130 | OPERATOR'S SEAT A. | 5001-5663 | |
| 2 | 01252-70816 | BOLT | 5001- | |
| 3 | 22M-57-21282 | PLATE | 5664- | |
| 3 | 22M-57-21281 | PLATE | 5001-5663 | |
| 4 | 01010-D1020 | BOLT | 5001- | |
| 5 | 01643-71032 | WASHER | 5001- | |
| 6 | 22M-57-21212 | STOPPER | 5001- | |
| 7 | 01010-D1020 | BOLT | 5001- | |
| 8 | 01643-71032 | WASHER | 5001- |