| Item | Part No. | Part Name | Qty | Serial No. |
| 461-565 | SWING MACHINERY A. | 3001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1640-01A0 TO Y1640-04A0. | ||||
| 461-377 | MOTOR ASS'Y | 3001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1640-02A0 TO Y1640-04A0. | ||||
| 461-473 | RELIEF VALVE ASS'Y | 3001- | ||
| 1 | SEAT | 3001- | ||
| 2 | RETAINER | 3001- | ||
| 3 | POPPET | 3001- | ||
| 4 | PISTON | 3001- | ||
| 5 | CAP | 3001- | ||
| 6 | SPRING | 3001- | ||
| 7 | SPACER | 3001- | ||
| 461-521 | SEAL KIT | 3001- | ||
| 8 | 453-625 | O-RING | 3001- | |
| 9 | 453-627 | O-RING | 3001- | |
| 10 | 461-386 | O-RING | 3001- | |
| 11 | 461-387 | O-RING | 3001- | |
| 12 | 461-479 | RING,BACK-UP | 3001- |