Deere 17ZTS Main Hydraulic Pump
4438709 / TH4438709 | OEM Nachi PVD-00B-16P-6AG3 | Mini Excavator Parts
1. Basic Info
- Part Name: Main Hydraulic Tandem Piston Pump
- OEM Numbers: 4438709, TH4438709
- Model: Nachi PVD-00B-16P-6AG3 (Japanese OEM)
- Fits Models: Deere 17ZTS (1.7t mini excavator)
- Also Fits: Hitachi EX17U, Kubota U15/U15-3/KX36-3, IHI 18NV
- Condition: OEM New / Genuine Nachi Quality
- Warranty: 12 months
- Weight: ~15.7 kg
2. Key Features
- Genuine Nachi OEM pump, direct replacement for Deere 17ZTS
- Tandem dual pump design, 16 cm³/rev × 2 displacement
- Load-sensing & constant horsepower control for high efficiency
- Compact & lightweight for 1–1.7 ton mini excavators
- Internal drain design, no external piping needed
- Direct bolt-on installation, no modifications required
3. Technical Specifications
- Brand: Nachi (Japan)
- Model: PVD-00B-16P-6AG3
- Displacement: 16 cm³/rev × 2 (tandem)
- Rated Pressure: 217 bar (3,150 psi)
- Max Flow: 51 L/min (13.5 gpm)
- Max Speed: 2,800 rpm
- Rotation: Clockwise (RH)
- Shaft: Splined, OEM standard
4. Compatibility
- Deere: 17ZTS (all serial numbers)
- Cross Reference: 4438709, TH4438709
- Alternative Fit: Hitachi EX17U, Kubota U15/U15-3/KX36-3, IHI 18NV
5. Supplier Advantages (Belparts)
- 10+ years in mini excavator hydraulics; Nachi & Deere OEM specialist
- OEM new & genuine aftermarket options; full 17ZTS parts range
- 100% pressure and leakage tested; CE certified
- Guangzhou warehouse stock; fast shipping worldwide
- Professional technical support for installation
6. FAQ
Q1: Is this genuine Nachi?
A: OEM New (Nachi original), matches Deere OEM specs.
Q2: Does it fit other mini excavators?
A: Yes, compatible with Hitachi EX17U, Kubota U15 series, IHI 18NV.
Q3: Ready to ship?
A: In stock; ships within 1–3 working days.
| Pos. | Part No | Qty | Parts name |
|---|
| 0. | 4438709 | [1] | Hydraulic Pump |
| 1. | ....... | [1] | Housing |
| 2. | ....... | [1] | Housing |
| 3. | 0768201 | [1] | Shaft |
| 4. | ....... | [1] | Cylinder Block |
| 5. | ....... | [1] | Plate |
| 6. | ....... | [10] | Piston |
| 7. | ....... | [10] | Shoe |
| 8. | 0768202 | [1] | Holder |
| 9. | 0768203 | [1] | Holder |
| 10. | 0768204 | [1] | Swash Plate |
| 11. | 0768205 | [3] | Needle Roller |
| 12. | 0647307 | [2] | Ball |
| 13. | 0768206 | [1] | Gasket |
| 14. | 0768207 | [1] | Spring |
| 15. | 0768208 | [1] | Spring |
| 16. | 0768219 | [1] | Piston Kit |
| 17. | 0768220 | [1] | Piston |
| 18. | 0768209 | [1] | Retainer |
| 19. | 0768210 | [1] | Guide |
| 20. | 0429816 | [1] | Dowel Pin |
| 21. | 0733207 | [1] | Rod |
| 22. | 0768221 | [1] | Seal Kit |
| 24. | 0768211 | [2] | Retainer |
| 25. | 0768212 | [1] | Pin |
| 27. | 0733209 | [1] | Pin |
| 30. | 0426901 | [1] | Bearing |
| 31. | 0768213 | [1] | Needle Bearing |
| 32. | 0768214 | [1] | Seal |
| 33. | 0768215 | [4] | Disk Spring |
| 34. | 0768216 | [1] | Snap Ring |
| 35. | 40M7085 | [1] | Snap Ring |
| 39. | M800650 | [1] | Packing |
| 40. | 4506408 | [2] | O-Ring |
| 44. | 0768217 | [4] | Bolt |
| 49. | 0429712 | [5] | Plug |
| 51. | 0630505 | [1] | Plug |
| 56. | 4051267 | [1] | Spring Pin |
| 60. | 0655913 | [1] | Screw |
| 61. | 14M7273 | [1] | Nut |
| 62. | 0630510 | [1] | Sealing Washer |
| 65. | 0768218 | [1] | Hydraulic Pump |
| 66. | 0733212 | [1] | Coupling |
| 67. | 0733213 | [1] | Bushing |
| 68. | 0749306 | [2] | Bolt |
| 69. | CH11568 | [1] | Packing |
| 70. | 0749307 | [2] | Washer |
| 71. | 0733215 | [1] | O-Ring |
| 72. | 4506408 | [1] | O-Ring |
