| Item | Part No. | Part Name | Qty | Serial No. |
| 421-57-A1120 | SEAT ASSEMBLY, OPERATOR'S | |||
| 1 | 01640-21123 | WASHER | ||
| 2 | 01643-31032 | WASHER | ||
| 3 | 02010-20625 | BOLT | ||
| 4 | 02011-20502 | BOLT | ||
| 5 | 423-57-A1290 | SPACER | ||
| 6 | 423-57-A1370 | WASHER, RECTANGULAR | ||
| 7 | 423-57-A1380 | WASHER, RUBBER | ||
| 8 | 423-57-A1390 | CABLE | ||
| 9 | 423-57-A1410 | BELT, SEAT | ||
| 10 | 423-57-A1420 | NUT, PUSH-ON | ||
| 11 | 423-57-A1440 | BRACKET, L.H | ||
| 423-57-A1450 | BRACKET, R.H | |||
| 12 | 423-57-A1460 | NUT, CENTERLOCK - 3/8 UNC | ||
| 13 | 423-57-A1470 | NUT, CENTERLOCK - 7/16 UNC | ||
| 14 | 423-57-A1480 | SPACER | ||
| 15 | 423-57-A1510 | KNOB, BACK REST TILT | ||
| 16 | 423-57-A1520 | KNOB, SEAT TILT | ||
| 17 | 423-57-A1530 | PIN, SPIROL | ||
| 18 | 421-57-A1130 | SEAT ASSEMBLY | ||
| 19 | SUSPENSION ASSEMBLY (SEE PG 09-008) |