| Item | Part No. | Part Name | Qty | Serial No. |
| 20Y-70-00730 | ARM ASS'Y | 20001- | ||
| 1 | 20K-70-33120 | ARM | 20001- | |
| 2 | 20K-70-31451 | SEAT (WELDED) | 20001- | |
| 3 | 207-970-5380 | BRACKET (WELDED) | 20001- | |
| 4 | 20K-70-31440 | SEAT (WELDED) | 20001- | |
| 5 | 20Y-70-31272 | BUSHING | 20001- | |
| 6 | 20Y-70-32371 | BUSHING | 20001- | |
| 7 | 205-70-72130 | BUSHING | 20001- | |
| 8 | 07020-00000 | FITTING | 20001- | |
| 9 | 07145-00090 | SEAL | 20001- | |
| 10 | 20Y-70-23220 | SEAL | 20001- | |
| 11 | 20Y-70-23230 | SEAL | 20001- | |
| 12 | 20Y-70-31160 | PIN | 20001- | |
| 13 | 205-70-66580 | PLATE | 20001- | |
| 14 | 01010-81230 | BOLT | 20001- | |
| 15 | 01643-31232 | WASHER | 20001- | |
| 16 | 22U-70-21381 | PIN | 20001- | |
| 17 | 205-70-66580 | PLATE | 20001- | |
| 18 | 01010-81230 | BOLT | 20001- | |
| 19 | 01643-31232 | WASHER | 20001- | |
| 20 | (\8\707-01-XZ850) | CYLINDER GROUP | 20001- |