| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20U-57-21105 | SEAT ASS'Y,OPERATOR'S | 1891- | |
| 1 | \0\20U-57-21104 | SEAT ASS'Y,OPERATOR'S | 1001-1890 | |
| 2 | 01010-80830 | BOLT | 1001- | |
| 3 | 01643-30823 | WASHER | 1001- |
| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20U-57-21105 | SEAT ASS'Y,OPERATOR'S | 1891- | |
| 1 | \0\20U-57-21104 | SEAT ASS'Y,OPERATOR'S | 1001-1890 | |
| 2 | 01010-80830 | BOLT | 1001- | |
| 3 | 01643-30823 | WASHER | 1001- |