Hitachi ZX16-3 ZX17U-2 ZX18-3 Main Hydraulic Pump Nachi PVD-08-18P-6G3-4191A 4654364 For Mini Excavator Parts
Price:
Negotiated price
MOQ:
1PCS
Delivery Time:
1~5 days
Brand:
Belparts
Product Description
Hitachi ZX16-3 ZX17U-2 ZX18-3 Main Hydraulic Pump
| # | Part No. | Description | Qty |
|---|---|---|---|
| 4654364 | PUMP; PISTON | 1 | |
| 1 | ---- | . BODY | 1 |
| 2 | ---- | . BODY | 1 |
| 3 | 0971001 | . SHAFT | 1 |
| 4 | ---- | . BLOCK | 1 |
| 5 | ---- | . PLATE; VALVE | 1 |
| 6 | ---- | . PISTON | 10 |
| 7 | ---- | . SHOE | 10 |
| 8 | 0768202 | . HOLDER; SHOE | 1 |
| 9 | ---- | . HOLDER | 1 |
| 10 | 0768204 | . PLATE; SWASH | 1 |
| 11 | 0768205 | . NEEDLE | 3 |
| 12 | 0647307 | . PIN | 2 |
| 13 | 0768206 | . PACKING | 1 |
| 14 | 0768207 | . SPRING | 1 |
| 15 | 0768208 | . SPRING | 1 |
| 18 | 0768209 | . HOLDER; SPRING | 1 |
| 19 | 0768210 | . GUIDE; SPRING | 1 |
| 20 | 0429816 | . PIN | 1 |
| 21 | 0733207 | . ROD | 1 |
| 24 | 0768211 | . RETAINER | 2 |
| 25 | 0971002 | PIN; STOPPER | 1 |
| 27 | 0733209 | . PIN | 1 |
| 30 | 0426901 | . BRG. | 1 |
| 31 | 0768213 | . BRG.; NEEDLE | 1 |
| 32 | 0768214 | . SEAL; OIL | 1 |
| 33 | 0768215 | . SPRING | 4 |
| 34 | 0768216 | . RING; RETAINING | 1 |
| 35 | 0426904 | . RING; RETAINING | 1 |
| 39 | 957366 | . O-RING | 1 |
| 40 | 4506408 | . O-RING | 2 |
| 44 | 0768217 | . BOLT; SOCKET | 4 |
| 49 | 4455661 | . PLUG | 4 |
| 51 | 0733210 | . PLUG | 1 |
| 56 | 0426906 | . PIN; SPRING | 1 |
| 60 | 0655913 | . SCREW | 1 |
| 61 | 0630509 | . NUT | 1 |
| 62 | 4608835 | . WASHER; SEAL | 1 |
| 65 | 4672413 | . PUMP; GEAR | 1 |
| 66 | 0733212 | . CUPPLING | 1 |
| 67 | 0971003 | . COLLAR | 1 |
| 68 | 0749306 | . BOLT | 2 |
| 69 | 4506407 | . O-RING | 1 |
| 70 | 0749307 | . WASHER | 2 |
| 71 | A811055 | . O-RING | 1 |
Basic Info
- Item: Main hydraulic piston pump
- PN:4654364, Nachi model PVD-08-18P-6G3-4191A
- Fit Model: Hitachi ZX16-3, ZX17U-2, ZX18-3 mini excavator
- Grade: OEM genuine
- Warranty:12 months
Core Advantages
- Original Nachi structure matches factory hydraulic parameters for direct installation
- Load-sensing variable design lowers energy consumption and fuel cost
- Premium sealing kits reduce leakage under frequent short-cycle operation
- Every unit passes bench pressure and flow testing before delivery
Technical Data
- Structure: Variable axial piston pump
- Displacement:18 cc/rev
- Max working pressure:25 MPa
- Rated speed:2500 rpm
- Control type: load sensing compensation control
- Seal material: fluororubber high‑temperature resistant material
- Rotation: factory specified rotation direction
- Function: supplies power for travel, swing and working device hydraulic circuits
Cross Reference
- Interchange codes:4654364, PVD-08-18P-6G3-4191A
Service
- In stock for global sea/air logistics; installation tips and after‑sales technical support provided
FAQ
-
Are the part number and Nachi model interchangeable?
Yes, 4654364 is Hitachi coding for Nachi PVD-08-18P-6G3-4191A, fully replaceable.
-
Can it fit all three listed excavator models?
Yes, it is specially calibrated for ZX16-3, ZX17U-2 and ZX18-3.
-
What invalidates the warranty?
Improper installation, dirty hydraulic oil and overload operation are excluded.
-
Is installation guidance available?
We provide operation notices and follow‑up technical support after ordering.
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Get in Touch
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Company
BELPARTS MACHINERY LIMITED
Location
429-432,No.268 Zhongshan Avenue East,Huangpu District,Guangzhou
Contact Person
Ron