| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 12G-21-51103 | FRAME ASS'Y | B20501- | |
| 12G-21-51102 | FRAME ASS'Y | B20001-B20500 | ||
| 2 | 12G-21-51B40 | PLATE (WELDED) | B20001- | |
| 3 | 12G-21-51130 | GUARD¤ L.H. (WELDED) | B20001- | |
| 4 | 12G-21-51140 | GUARD¤ R.H. (WELDED) | B20001- | |
| 5 | 12G-21-51171 | BRACKET (WELDED) | B20001- | |
| 6 | 124-21-51311 | PLATE | B20001- | |
| 7 | 01010-81225 | BOLT | B20001- | |
| 8 | 01643-31232 | WASHER | B20001- | |
| 9 | 124-21-51323 | COVER | B20501- | |
| 124-21-51322 | COVER | B20001-B20500 | ||
| 10 | 01010-81635 | BOLT | B20001- | |
| 11 | 01643-31645 | WASHER | B20001- | |
| 12 | 124-21-51280 | BRACKET,L.H. | B20001- | |
| 13 | 01010-81225 | BOLT | B20001- | |
| 14 | 01643-31232 | WASHER | B20001- | |
| 15 | 124-21-51290 | BRACKET,R.H. | B20001- | |
| 16 | 01010-81225 | BOLT | B20001- | |
| 17 | 01643-31232 | WASHER | B20001- | |
| 18 | 124-21-51332 | COVER | B20001- | |
| 19 | 01010-81235 | BOLT | B20001- | |
| 20 | 01643-31232 | WASHER | B20001- | |
| 21 | 14Y-30-11277 | COVER | B20001- | |
| 22 | 01010-81235 | BOLT | B20001- | |
| 23 | 01643-31232 | WASHER | B20001- | |
| 24 | 124-21-51190 | COVER | B20001- | |
| 25 | 01010-81235 | BOLT | B20001- | |
| 26 | 01643-31232 | WASHER | B20001- | |
| 27 | 09241-5A140 | PIN | B20001- | |
| 28 | 04082-00212 | LOCK | B20001- | |
| 29 | 01010-81225 | BOLT | B20001- | |
| 30 | 01643-31232 | WASHER | B20001- | |
| 31 | 07020-00000 | FITTING | B20001- | |
| 32 | 07049-01620 | PLUG | B20001- |