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PVD-3B-56 Hydraulic Gear Pump Yanmar Construction Machinery
PVD-3B-56 Hydraulic Gear Pump
,Construction Machinery Hydraulic Gear Pump
,Yanmar Hydraulic Gear Pump
PVD-3B-56 is NACHI original specifiion pilot hydraulic gear pump, core auxiliary hydraulic component for Yanmar compact excavator hydraulic system, supplies stable pilot pressure to control main pump, swing motor and travel hydraulic circuit. Direct aftermarket replacement fixes machine slow operation, unresponsive control handle, insufficient pilot pressure and hydraulic oil leakage caused by gear abrasion, seal aging and pump housing deformation. Strictly follow OEM installation dimension for plug-and-play mounting without mechanical modifiion.
| Item | Specifiion |
|---|---|
| Part Number | PVD-3B-56 |
| Product Name | Pilot Hydraulic Gear Pump |
| Reference Brand | NACHI |
| Fit Brand | Yanmar |
| Applicable Machine | VIO55 VIO60 VIO65 VIO70 B50 B60 Mini Excavator |
| Rated Displacement | 56ml/r |
| Max Working Pressure | 2800PSI |
| Main Material | Cast Iron Housing, Alloy Gear, NBR Oil Seal |
| Key Feature | Stable Pilot Output Low Internal Leakage Direct Fit |
| Package | Individual Inner Carton+Export Outer Carton |
| Warranty | 12 Months |
| Part Number | Fit Yanmar Model | Cross OEM Ref | Displacement |
|---|---|---|---|
| PVD-3B-54 | VIO50 B45 | 172187-73510 | 54ml/min |
| PVD-3B-56 | VIO55 VIO60 B50 | 172459-73500 | 56ml/mi |
| PVD-3B-60 | VIO75 B70 | 172512-73520 | 60ml/min |
| PVD-3B-66P | VIO80 B80 | 172620-73530 | 66ml/min |
| PVD-3B-72 | VIO85 B85 | 172701-73540 | 72ml/min |
If you can find the number you need, please contact our sales manager to check and confirm it!
- ISO 9001 certified.
- 100% pressure, flow, and leakage tested before shipment to ensure quality.
- Comply with construction machinery hydraulic component industry standards.
- 10+ years of professional experience in manufacturing excavator hydraulic parts, mature technology, stable quality.
- Sufficient inventory, ready stock for popular models, fast delivery.
- Support OEM/ODM customization, develop special models per customer requirements.
- Complete after-sales team, provide technical consultation, installation guidance, troubleshooting.
- Free replacement or repair for non-human quality issues within warranty period.
- Provide technical support for installation, commissioning, and operation.
- Lifetime supply of wearing parts and maintenance services at cost price.
ISSUES YOU MAY BE CONCERNED ABOUT
HERE IS THE ANSWER!
Q1: Which Yanmar excavator fits PVD-3B-56 gear pump?
A: Matches Yanmar VIO55/VIO60/VIO65/VIO70/B50/B60 mini excavator models.
Q2: Can install directly to replace original pump?
A: OEM identical mounting size supports direct installation without cutting or refitting.
Q3: What machine faults can be solved after pump replacement?
A: Resolve slow arm movement, insensitive pilot control, low pilot pressure and pump body oil leaking issues.
Q4: How long is the after-sales warranty period?
A: 12-month warranty covers factory production quality defects.
Dear buyers,
Please read the remarks before ordering:
1, If you place order directly without any communiion with us,please remark the Part Number exactly you need if possible!
2, Normally would be sent in neutral package, if need orignal package please contact us before placing orders.
3, All the are blank new without program, if you want program please send us your Engine Serial Number and old code we will confirm whether the program available or not.
Thank you for attention!
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