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Quality PVD-2B-36 Hydraulic Pump Repair Kit Drive Shaft Cylinder Block Valve Plate Pistons Replacement Parts Compatible with Kubota Kobelco factory
Quality PVD-2B-36 Hydraulic Pump Repair Kit Drive Shaft Cylinder Block Valve Plate Pistons Replacement Parts Compatible with Kubota Kobelco factory

PVD-2B-36 Hydraulic Pump Repair Kit Drive Shaft Cylinder Block Valve Plate Pistons Replacement Parts Compatible with Kubota Kobelco

Place of Origin:China
Brand Name:HanRui
Model Number:PVD-2B-36
Minimum Order Quantity:1 pc
Payment Terms:D/A,L/C,D/P,T/T,Western Union
Supply Ability:10000 pcs
Product Details
Product Type: Excavator Aftermarket Spare Parts
Application: Heavy Excavator, Construction Engineering Machinery
Condition: Repair Kit
Brand: Han Rui
Product Description

Welcome to our heavy machinery hydraulic supply center. We specialize in providing the complete PVD-2B-36 hydraulic pump components repair kit (including drive shaft, cylinder block, valve plate, piston shoes, retainer plate, and swashplate), precision-manufactured as heavy-duty aftermarket replacement parts compatible with Nachi PVD-2B-36 hydraulic pumps used on Kubota, Kobelco, Yanmar, and Takeuchi mini excavators. Engineered to exact OEM tolerances, these parts restore hydraulic flow efficiency and operating pressure.

Key Technical Specifications & Kit Contents
  • Hydraulic Pump Series: PVD-2B-36 / PVD-2B-36L / PVD-2B-36P / PVD-2B-38 / PVD-2B-40
  • Compatible Machinery Brands: Fit for Kubota (K035, KX91-3), Kobelco (SK30, SK35), Yanmar, Takeuchi, JCB Mini Excavators
  • Included Overhaul Components: Cylinder Block, Valve Plate (Port Plate), Drive Shaft (13 Teeth/Spline), Piston Plunger Shoes, Ball Guide, Retainer Set Plate, Swashplate, and Seal Kit
  • Material & Hardness: High-density ductile iron cylinder, bronze-plated valve plate, heat-treated alloy steel pistons and shafts
  • Condition: 100% Brand New Aftermarket / Direct OEM Interchangeable Parts
  • Quality Assurance: 100% Dimensional Inspection and Hardness Tested, 6–12 months warranty included
PVD-2B-36 Hydraulic Pump Failure Symptoms & Overhaul Solutions

Worn internal pump parts degrade excavator speed and power. Rebuilding your pump with our PVD-2B-36 replacement components directly resolves these common hydraulic pump failures:

1. Low Hydraulic Pressure / Weak Excavator Functions (全车动作无力)

Cause: Deep scoring between the bronze valve plate face and cylinder block surface causing high internal bypass leakage.
Fix: Replacing with our precision-lapped cylinder block and valve plate set restores full system operating pressure.

2. Loud Hydraulic Noise & Pump Cavitation (泵体噪音大/异响)

Cause: Loose piston shoe sockets, worn ball guides, or pitted drive shaft splines.
Fix: Installing new piston shoes, ball guides, and swashplate cradles eliminates mechanical chatter and smooths fluid flow.

3. Engine Stalling / Engine Bogging under Digging Load (憋发动机)

Cause: Sticking piston plungers or damaged swashplate control angles overloading the engine.
Fix: New precision-machined piston plungers and swashplates maintain free displacement control without lugging the diesel engine.

4. High Hydraulic Oil Temperature (液压油高温)

Cause: Excessive friction and internal fluid recirculation generated by worn rotary group surfaces.
Fix: Replacing worn rotary parts restores tight micron-level clearances, reducing heat generation.

5. External Fluid Leakage from Shaft Seal (轴封漏油)

Cause: Grooved drive shaft surfaces or worn oil seals leaking fluid into the flywheel housing.
Fix: Installing our induction-hardened drive shaft together with high-pressure Japanese shaft seals permanently stops leaks.

Application Scenarios & Rebuild Suitability

Suitable for hydraulic rebuild shops, equipment mechanics, and fleet maintenance, these PVD-2B-36 pump repair parts excel in:

  • Mini Excavator Main Pump Rebuilding: Direct drop-in repair kit for Nachi PVD-2B-36 / PVD-2B-40 piston pumps.
  • Landscaping & Utility Trenching Equipment: Restores boom, bucket, and auxiliary hydraulic speeds under heavy digging.
  • Preventative Fleet Maintenance: Economical alternative to replacing the entire expensive hydraulic main pump unit.
Frequently Asked Questions (FAQ)

Q: Where can I buy replacement parts for a Nachi PVD-2B-36 hydraulic pump?
A: You can purchase complete PVD-2B-36 hydraulic pump repair kits (cylinder block, valve plate, drive shaft, pistons) directly from us. We supply OEM-interchangeable components for Kubota, Kobelco, and Yanmar excavators.

Q: Are PVD-2B-36 and PVD-2B-40 hydraulic pump parts interchangeable?
A: Many rotary group components like valve plates, retainer plates, and ball guides are shared across PVD-2B-36, PVD-2B-38, and PVD-2B-40 series. Please contact us with your pump nameplate specs to verify exact drive shaft splines and cylinder dimensions.

Q: Do these PVD-2B-36 pump parts require machining before installation?
A: No, all cylinder blocks and valve plates are precision lapped and ground at the factory for immediate drop-in assembly into your pump casing.

Recommended Hot-Selling Hydraulic Pump Repair Kits Catalog

We also supply a comprehensive range of hydraulic piston pump repair kits, rotary groups, and motors for major machinery brands:

Pump Model / SeriesRepair Kit DescriptionCompatible Excavator ModelsReference OEM Brand
PVD-2B-36 / PVD-2B-40Cylinder Block, Valve Plate, Shaft, PistonsKubota K035, Kobelco SK30, SK35Compatible with Nachi
PSVD2-21E / PSVD2-27ERotary Group, Swashplate, Drive ShaftKubota KX91-3, Yanmar VIO35Compatible with KYB Kayaba
K3V63DT / K3V112DTHydraulic Pump Cylinder, Valve Plate, PistonHitachi ZX120, Kobelco SK200-6Compatible with Kawasaki
HPV091 / HPV118Axial Piston Pump Overhaul Rebuild PartsHitachi EX120-2, EX200-5, ZX200Compatible with Hitachi
A10VO28 / A10VO45Piston Pump Repair Kit & Control ValveMini Excavators & Road RollersCompatible with Rexroth
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