| Item | Part No. | Part Name | Qty | Serial No. |
| (708-23-10101) | PUMP ASS'Y (HPV55+55) | 12001- | ||
| 708-23-16100 | SERVO VALVE ASS'Y,REAR | 12001- | ||
| 1 | (708-23-16200) | SERVO VALVE SUB A.,REAR | 12001- | |
| 2 | (708-23-17100) | VALVE ASS'Y,CO AND NC | 12001- | |
| 3 | 07000-02011 | O-RING | 12001- | |
| 4 | 07000-02018 | O-RING | 12001- | |
| 5 | 708-25-19160 | BOLT | 12001- | |
| 6 | 01602-20825 | WASHER,SPRING | 12001- | |
| 7 | 01252-30835 | BOLT | 12001- | |
| 8 | 01602-20825 | WASHER,SPRING | 12001- | |
| 9 | 720-68-11920 | FILTER | 12001- | |
| 10 | 07000-12010 | O-RING | 12001- | |
| 11 | 07000-11009 | O-RING | 12001- | |
| 12 | 720-68-11920 | FILTER | 12001- | |
| 13 | 708-23-19130 | ORIFICE | 12001- | |
| 14 | 07000-12010 | O-RING | 12001- | |
| 15 | 708-23-18241 | PLATE | 12001- | |
| 16 | 07040-11007 | PLUG | 12001- | |
| 17 | 07002-01023 | O-RING | 12001- | |
| 18 | 07040-11409 | PLUG | 12001- | |
| 19 | 07002-01423 | O-RING | 12001- | |
| 20 | 01643-30823 | WASHER | 12001- |