| Item | Part No. | Part Name | Qty | Serial No. |
| 20R-870-0010 | ARM ASS'Y | 10001- | ||
| 1 | \6\ | ARM,FIRST | 10001- | |
| 2 | 20S-70-81290 | BUSHING | 10001- | |
| 3 | 07145-00040 | SEAL | 10001- | |
| 4 | 07020-00000 | FITTING | 10001- | |
| 5 | 07144-10404 | BUSHING | 10001- | |
| 6 | 07145-00040 | SEAL | 10001- | |
| 7 | 07020-00000 | FITTING | 10001- | |
| 8 | 20S-870-1610 | ARM,SECOND | 10001- | |
| 9 | 21W-70-11211 | PIN | 10001- | |
| 10 | 205-70-66580 | PLATE | 10001- | |
| 11 | 01010-81230 | BOLT | 10001- | |
| 12 | 01643-51232 | WASHER | 10001- | |
| 13 | 20S-870-1670 | SPACER | 10001- | |
| 14 | 20S-870-1150 | PIN | 10001- | |
| 15 | 20T-870-1190 | PIN,RING | 10001- | |
| 16 | 20S-870-1230 | HOSE | 10001- | |
| 17 | 21X-70-21280 | GROMMET | 10001- | |
| 18 | 203-62-32450 | COVER | 10001- | |
| 19 | 08034-00519 | BAND | 10001- | |
| 20 | 21X-70-21210 | PIN | 11070- | |
| 20S-70-81150 | PIN | 10001-11069 | ||
| 21 | 04082-00212 | LOCK | 10001- | |
| 22 | 01010-81230 | BOLT | 10001- | |
| 23 | 01643-31232 | WASHER | 10001- | |
| 24 | 20S-70-81780 | SPACER¤ 1.0MM | 11010- | |
| 20R-70-11260 | SPACER¤ 1.0MM | 10001-11009 | ||
| 25 | 20S-70-71240 | PIN | 10001- | |
| 26 | 04082-00212 | LOCK | 10001- | |
| 27 | 01010-81230 | BOLT | 10001- | |
| 28 | 01643-31232 | WASHER | 10001- | |
| 29 | 20T-70-81720 | SPACER¤ 1.0MM | 11010- | |
| 20R-70-11270 | SPACER¤ 1.0MM | 10001-11009 | ||
| 30 | 20S-870-1651 | COLLAR | 10001- | |
| 31 | 20S-870-1660 | BOLT | 10001- | |
| 32 | 01643-33080 | WASHER | 10001- | |
| 33 | 01580-13024 | NUT | 10001- | |
| 34 | 20S-970-7330 | SHIM¤ 0.5MM | 10001- | |
| 35 | 113-06-23220 | COVER | 10001- | |
| 36 | (20R-63-X2324) | CYLINDER GROUP,BUCKET | 10001- |