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