PVD-0B-18P-6G3-4191A Hydraulic Piston Pump for Excavator Main Hydraulic Pump Replacement
The PVD-0B-18P-6G3-4191A is a PVD series variable displacement axial piston hydraulic pump, commonly used as the main pump in the hydraulic systems of mini excavators and construction machinery. Utilizing a variable displacement piston structure, it automatically adjusts flow and pressure according to the load, achieving stable output and energy-saving control. It is suitable for maintenance and replacement scenarios involving main pump wear, insufficient pressure, sluggish response, or decreased hydraulic efficiency.
PVD Series Piston Pump Specifications
| Product Type |
Excavator Hydraulic Piston Pump |
| Pump Type |
Variable Axial Piston Pump |
| Main Pump Model |
PVD-0B-18P |
| Part Number |
PVD-0B-18P-6G3-4191A |
| Minimum Order Quantity |
1 piece |
| Payment Method |
Western Union, T/T |
| Shipping Method |
UPS/DHL/EMS/TNT/FedEx |
Applications: Excavators, Construction Machinery, Hydraulic Power Systems
Features and Advantages
Variable displacement piston structure improves hydraulic system response speed and operating efficiency.
Stable output, suitable for continuous high-load operation.
Compact structure for easy installation and maintenance.
High volumetric efficiency design reduces energy loss.
Suitable for hydraulic main pump assembly repair and complete machine refurbishment projects.

PVD-0B-18P Hydraulic Pump Front End 13-tooth Spline Shaft Display
Guangzhou Minshun Machinery Equipment Co., Ltd.
We specialize in the sales and service of diesel engine assemblies and construction machinery parts. Our product line covers engine assemblies, filtration systems, electronic control components, hardware accessories, wiring harnesses, and electrical accessories. Our service area includes Canada, the United States, the United Kingdom, Mexico, the Netherlands, Kazakhstan, Mongolia, Russia, Australia, Malaysia, Turkey, Indonesia, Singapore, Thailand, South America, South Africa, and other countries and regions.
Our Product Range
| Engine Rebuild Kit |
Turbochargers |
Engine Diesel Pumps |
Engine Controllers (ECU) |
| Cylinder Blocks |
Cylinder Heads |
Water Pumps |
Injectors |
| Starter Motors |
Filters |
Other Engine Accessories |
Excavator Hydraulic Pumps |
| Swivel Components |
Distributor Valves |
Travel Motor Assemblies |
Chassis Components and Other Accessories |


Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: Do you test all products before shipping?
A2: Yes, we conduct 100% testing before shipping.
Q3: Which engine models is this Hydraulic Main Pump compatible with?
A3: This product is designed for specific diesel engine models. If you can provide the engine model or original part number, we can confirm compatibility before shipping to avoid incompatibility issues.
Q4: Can you provide cross-reference information for OEM part numbers?
A4: Yes, we support original part interchange. Please provide the original part number, and we will verify the replacement part accordingly.
Q5: What should I do if there is a problem with the product?
A5: Our products undergo professional testing and are of very stable quality. If you do find any problems, please contact us. We have a professional after-sales team to help you solve the problem.
Q6: How can I determine if this piston pump is compatible with my excavator?
A6: It is recommended to confirm the model, displacement, mounting flange, shaft type, interface direction, and nameplate code. Comparing these aspects will accurately determine whether it is compatible with your excavator.
Why Choose Us?
• Over 20 years of focus on construction machinery – offering a full range of excavator assemblies and accessories.
• Get a Quote – Our professional team will provide you with a quote immediately upon receiving your requirements.