| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM172519-72211 | DUMP CYLINDER ASS'Y,GRAY-25 (YM172519-72211-1) | 10001- | |
| 2 | YM172519-72180 | CYLINDER HEAD ASS'Y | 10001- | |
| 4 | YM24550-020200 | BUSHING,DRY | 10001- | |
| 5 | YM172519-72202 | PISTON | 10001- | |
| 6 | YM172519-72680 | CYLINDER TUBE ASS'Y,GRAY-25 (YM172519-72680-1) | 10001- | |
| 8 | YM172519-91180 | BUSHING | 10001- | |
| 9 | YM172519-72651 | SEAL SET | 10001- | |
| 16 | YM172519-72250 | ROD,GRAY-25 (YM172519-72250-1) | 10001- | |
| 17 | YM172156-72400 | U-NUT | 10001- |