| Item | Part No. | Part Name | Qty | Serial No. |
| 175-78-X1200 | ARM GROUP | 57001- | ||
| 175-78-00091 | ARM ASS'Y | 57001- | ||
| 1 | 175-78-61132 | ARM | 57001- | |
| 2 | 175-78-61261 | BUSHING | 57001- | |
| 3 | 175-78-61171 | PIN | 57001- | |
| 4 | 195-78-21171 | PLATE | 57001- | |
| 5 | 01010-82040 | BOLT | 57001- | |
| 6 | 01643-32060 | WASHER | 57001- | |
| 7 | 07020-00000 | FITTING,GREASE | 57001- | |
| 8 | 175-78-61281 | SEAL | 57001- | |
| 175-79-X1100 | BEAM GROUP | 57001- | ||
| 175-79-00082 | BEAM ASS'Y | 57001- | ||
| 9 | \6\ | BEAM | 57001- | |
| 10 | 175-78-61271 | BUSHING | 57001- | |
| 11 | 195-78-21171 | PLATE | 57001- | |
| 12 | 01010-82040 | BOLT | 57001- | |
| 13 | 01643-32060 | WASHER | 57001- | |
| 14 | 175-78-61281 | SEAL | 57001- | |
| 15 | 175-78-61182 | PIN | 57001- | |
| 16 | 09601-00835 | PLATE¤ NAME | 57001- | |
| 17 | 04418-13060 | SCREW | 57001- | |
| 18 | 175-79-32131 | SHANK | 57001- | |
| 19 | 195-78-21320 | PROTECTOR | 57001- | |
| 20 | 09244-02508 | PIN | 57001- | |
| 21 | 175-78-31230 | POINT | 57001- | |
| 22 | 175-78-21693 | ADAPTER,SEAVICE PARTS | 57001- |