| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 23B-57-21401 | OPERATOR'S SEAT A. | 4538- | |
| 23B-57-21400 | OPERATOR'S SEAT A. | 4509-4537 | ||
| 21U-57-11230 | REST,ARM | 4509- | ||
| 2 | 01010-50820 | BOLT | 4509- | |
| 3 | 01643-30823 | WASHER | 4509- | |
| 23E-57-11100 | STAND ASS'Y,L.H. | 4509- | ||
| 4 | 23E-57-11210 | PLATE | 4509- | |
| 5 | 23E-57-11220 | PLATE | 4509- | |
| 6 | 01220-40816 | SCREW | 4509- | |
| 7 | 236-54-22331 | ADJUSTER ASS'Y,L.H. | 4509- | |
| 8 | 236-54-22351 | ADJUSTER ASS'Y,R.H. | 4509- | |
| 9 | 23E-57-11110 | BRACKET | 4509- | |
| 10 | 23E-57-11130 | BRACKET | 4509- | |
| 11 | 205-57-72520 | LINK | 4509- | |
| 12 | 205-57-72530 | LINK | 4509- | |
| 13 | 205-57-72540 | LINK | 4509- | |
| 14 | 205-57-63170 | PIN | 4509- | |
| 15 | 203-57-21280 | BUSHING | 4509- | |
| 16 | 207-57-11240 | PIN | 4509- | |
| 17 | 04050-11610 | PIN,COTTER | 4509- | |
| 18 | 205-57-63190 | PIN | 4509- | |
| 19 | 203-57-21280 | BUSHING | 4509- | |
| 20 | 203-57-21310 | ROLLER | 4509- | |
| 21 | 205-57-72560 | COLLAR | 4509- | |
| 22 | 205-57-63180 | PIN | 4509- | |
| 23 | 203-57-21280 | BUSHING | 4509- | |
| 24 | 207-57-11240 | PIN | 4509- | |
| 25 | 04050-11610 | PIN,COTTER | 4509- | |
| 26 | 205-57-72570 | BAR | 4509- | |
| 27 | 207-57-11220 | PIN | 4509- | |
| 28 | 203-57-21280 | BUSHING | 4509- | |
| 29 | 203-57-21310 | ROLLER | 4509- | |
| 30 | 205-57-63160 | PIN | 4509- | |
| 31 | 203-57-21280 | BUSHING | 4509- | |
| 32 | 207-57-11240 | PIN | 4509- | |
| 33 | 04050-11610 | PIN,COTTER | 4509- | |
| 34 | 203-57-21320 | SHIM¤ 0.5MM | 4509- | |
| 35 | 23E-57-11150 | KNOB | 4509- | |
| 36 | 23E-57-11160 | NUT | 4509- | |
| 37 | 01643-31445 | WASHER | 4509- | |
| 38 | 205-57-63250 | PIN | 4509- | |
| 39 | 01641-20608 | WASHER | 4509- | |
| 40 | 04050-11610 | PIN,COTTER | 4509- | |
| 41 | 01580-10806 | NUT | 4509- | |
| 42 | 01643-30823 | WASHER | 4509- | |
| 43 | 23E-57-11120 | SPRING | 4509- | |
| 44 | 01010-51225 | BOLT | 4509- | |
| 45 | 01643-31232 | WASHER | 4509- |