| Item | Part No. | Part Name | Qty | Serial No. |
| 23B-57-31201 | SEAT ASS'Y,OPERATOR'S | 51501- | ||
| 1 | 23B-57-31210 | SEAT | 51501- | |
| 2 | 23D-57-31120 | ARM | 51501- | |
| 3 | 23E-57-11480 | PROTECTOR | 51501- | |
| 4 | 01010-81016 | BOLT | 51501- | |
| 5 | 23E-57-11490 | WASHER | 51501- | |
| 6 | 23E-57-11442 | LIFTER ASS'Y | 51501- | |
| 7 | 01010-80820 | BOLT | 51501- | |
| 8 | 01643-30823 | WASHER | 51501- | |
| 9 | 01010-80825 | BOLT | 51501- | |
| 10 | 01643-30823 | WASHER | 51501- | |
| 11 | 23E-57-11470 | SPACER | 51501- | |
| 12 | 23E-57-11450 | ADJUSTER,SLIDE, R.H. | 51501- | |
| 13 | 23E-57-11460 | ADJUSTER,SLIDE, L.H. | 51501- | |
| 14 | 01584-00806 | NUT | 51501- | |
| 15 | 23B-57-61110 | BRACKET | 51501- | |
| 16 | 01580-10806 | NUT | 51501- | |
| 17 | 01643-30823 | WASHER | 51501- | |
| 18 | 01010-81225 | BOLT | 51501- | |
| 19 | 01643-31232 | WASHER | 51501- | |
| 20 | 09409-70000 | BELT, LAP | 51501- |