| Item | Part No. | Part Name | Qty | Serial No. |
| 17A-57-21112 | OPERATOR'S SEAT A. | 16600- | ||
| \0\17A-57-21110 | OPERATOR'S SEAT A. | 16531-16599 | ||
| 1 | 17A-57-21122 | SEAT ASS'Y | 16600- | |
| 1 | \0\17A-57-21120 | SEAT ASS'Y | 16531-16599 | |
| 2 | 17A-57-21130 | TURN TABLE ASS'Y | 16531- | |
| 3 | 01010-51030 | BOLT | 16531- | |
| 4 | 01643-31032 | WASHER | 16531- | |
| 5 | 17A-57-21201 | BELT, LAP | 16634- | |
| 5 | \0\17A-57-21200 | BELT, LAP | 16531-16633 | |
| 6 | 09409-20000 | BELT, TETHER | 16648- | |
| 6 | \0\17A-57-21221 | BELT, TETHER | 16634-16647 | |
| 6 | \0\17A-57-21220 | BELT, TETHER | 16531-16633 | |
| 7 | 195-57-21510 | PLATE | 16531- |