| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20K-911-1221 | FRAME | 10155- | |
| \0\20K-911-1220 | FRAME | 10001-10154 | ||
| 2 | 20K-911-1120 | COVER | 10001- | |
| 3 | 01010-81220 | BOLT | 10176- | |
| 01010-51220 | BOLT | 10001-10175 | ||
| 4 | 01643-31232 | WASHER | 10001- | |
| 5 | 20K-47-11262 | COVER | 10187- | |
| 20K-911-1130 | COVER | 10001-10186 | ||
| 6 | 01010-81220 | BOLT | 10176- | |
| 01010-51220 | BOLT | 10032-10175 | ||
| \0\01010-51230 | BOLT | 10001-10031 | ||
| 7 | 01643-31232 | WASHER | 10001- | |
| 8 | 20K-47-11271 | COVER | 10001- | |
| 9 | 01010-81220 | BOLT | 10176- | |
| 01010-51220 | BOLT | 10032-10175 | ||
| \0\01010-51230 | BOLT | 10001-10031 | ||
| 10 | 01643-31232 | WASHER | 10001- | |
| 11 | 20K-47-11212 | STEP,L.H. | 10155- | |
| \0\20K-47-11211 | STEP,L.H. | 10001-10154 | ||
| 12 | 01010-81230 | BOLT | 10176- | |
| 01010-51230 | BOLT | 10001-10175 | ||
| 13 | 01643-31232 | WASHER | 10001- | |
| 14 | 20K-47-11222 | STEP,R.H. | 10155- | |
| \0\20K-47-11221 | STEP,R.H. | 10001-10154 | ||
| 15 | 01010-81230 | BOLT | 10176- | |
| 01010-51230 | BOLT | 10001-10175 | ||
| 16 | 01643-31232 | WASHER | 10001- | |
| 17 | 205-30-71171 | SEAL | 10109- | |
| \0\205-30-71170 | SEAL | 10001-10108 | ||
| 18 | 01010-81230 | BOLT | 10176- | |
| 01010-51230 | BOLT | 10001-10175 | ||
| 19 | 01643-31232 | WASHER | 10001- | |
| 20 | 205-30-71181 | COVER | 10001- | |
| 21 | 205-30-71191 | GASKET | 10001- | |
| 22 | 01010-81225 | BOLT | 10176- | |
| 01010-51225 | BOLT | 10001-10175 | ||
| 23 | 01643-31232 | WASHER | 10001- |