| Item | Part No. | Part Name | Qty | Serial No. |
| 20Y-944-0012 | ARM ASS'Y | | 81498- |
| 20Y-944-0011 | SHORT ARM ASS'Y | | 80001-81497 |
| 1 | \6\ | ARM | | 80001- |
| 2 | 205-70-72180 | BUSHING | | 81498- |
| 205-70-66550 | BUSHING | | 80001-81497 |
| 3 | 21K-70-12170 | BUSHING | | 80001- |
| 4 | 205-70-72130 | BUSHING | | 80001- |
| 5 | 07020-00900 | FITTING | | 80001- |
| 6 | 07020-00000 | FITTING | | 80001- |
| 7 | 07145-00090 | SEAL | | 80001- |
| 8 | 20Y-70-23220 | SEAL | | 108653- |
| \0\21K-70-12180 | SEAL | | 80001-108652 |
| 9 | 205-70-62150 | SEAL | | 80001- |
| 10 | 20Y-70-11180 | PIN | | 80001- |
| 11 | 205-70-66580 | PLATE | | 80001- |
| 12 | 01010-81230 | BOLT | | 94999- |
| 01010-51230 | BOLT | | 80001-94998 |
| 13 | 01643-31232 | WASHER | | 80001- |
| 14 | 205-70-71190 | PIN | | 80001- |
| 15 | 205-70-66580 | PLATE | | 80001- |
| 16 | 01010-81230 | BOLT | | 94999- |
| 01010-51230 | BOLT | | 80001-94998 |
| 17 | 01643-31232 | WASHER | | 80001- |
| 18 | (\8\205-63-X9040) | CYLINDER GROUP,(SEE FIG.Y1620-41A0C) | | 105746- |
| (\8\205-63-X3131) | BUCKET CYLINDER G.,(SEE FIG.Y1620-41A0) | | 96514-105745 |
| (\8\205-63-X3131) | BUCKET CYLINDER G.,(FOR JAPAN) | | 94999-96513 |
| (\8\205-63-X2132) | BUCKET CYLINDER G.,(EXCEPT JAPAN) | | 94999-96513 |
| (\8\205-63-X2132) | BUCKET CYLINDER G.,(SEE FIG.Y1620-41A0) | | 84385-94998 |
| (\8\205-63-X2131) | BUCKET CYLINDER G.,(SEE FIG.Y1620-41A0) | | 80001-84384 |
