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Heavy-Duty Main Hydraulic Pumps & High-Pressure Piston Pump Assemblies
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1032517 Hydraulic Pump Head Block for Hitachi Excavator ZR950JC ZX140W-3 ZX200-3
1032517 Hydraulic Pump Head Block for Hitachi Excavator ZR950JC ZX140W-3 ZX200-3 Part Number: 1032517 Application: for Hitachi Excavator ZR950JC ZX140W-3 ZX200-3 Condition: New Aftermarket Parts In StockRegular price $ 1,200 -
Hydraulic Pump 705-56-34130 7055634130 for Komatsu Wheel Loader WA350-1
This new aftermarket hydraulic pump assembly is designed as a direct replacement for for Komatsu Wheel Loader WA350-1. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. Hydraulic Pump 705-56-34130...Regular price $ 2,468 -
Fits For Komatsu Dump Truck HD605-7 HD465-7 Hydraulic Pump 705-56-34630 7055634630
This new aftermarket hydraulic pump assembly is designed as a direct replacement for for Komatsu Dump Truck HD605-7 HD465-7. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. Fits For...Regular price $ 2,098 -
Hydraulic Pump 705-56-34690 7055634690 for Komatsu Wheel Loader WA150-5 WA150PZ-5
This new aftermarket hydraulic pump assembly is designed as a direct replacement for for Komatsu Wheel Loader WA150-5 WA150PZ-5. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. Hydraulic Pump...Regular price $ 2,408 -
Hydraulic Pump 705-56-36050 For Komatsu Wheel Loader WA320-6 WA320-5 WA320L-5
This new aftermarket hydraulic pump assembly is designed as a direct replacement For Komatsu Wheel Loader WA320-6 WA320-5 WA320L-5. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. Hydraulic Pump...Regular price $ 2,468 -
Hydraulic Pump 705-56-36082 705-56-36080 for Komatsu Wheel Loader WA250-6 WA250PZ-6
This new aftermarket hydraulic pump assembly is designed as a direct replacement for Komatsu Wheel Loader WA250-6 WA250PZ-6. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. Hydraulic Pump 705-56-36082...Regular price $ 2,568
If your excavator is struggling to lift loads or performing sluggishly on the job site, a worn replacement main hydraulic pump is likely the issue. As the primary power source for your machine's movements, a high-efficiency piston pump converts engine power into the high-pressure flow required for heavy digging and lifting. BeeSpareParts offers a wide range of K3V, K5V, and HPV series pumps specifically engineered for the high-intensity demands of construction and mining.
A failing main pump can often be a symptom of deeper system issues. To protect your investment, we highly recommend browsing our to eliminate contaminants that cause premature wear, or checking our for any internal leaks. If only small auxiliary functions are failing, consider inspecting your first. Our main pump assemblies are a cost-effective alternative to OEM units, featuring precision-ground internal components and rugged housings to restore your machine’s factory-spec performance.
Whether you need a Kawasaki-style pump for a Komatsu, a main pump for a Doosan, or a heavy-duty unit for a Hitachi excavator, our parts are rigorously factory-tested for pressure stability and ready for fast international shipping. Eliminate downtime and regain your digging power—upgrade to a premium hydraulic pump solution today.
Fits for:
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Engine & Model Series: 6BT, 6CT, 6D102, 6D107, S6K, J05E, J08E, 4HK1, 6HK1.
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Equipment Models: ZX, PC, SK, EC, EX series excavators, crawler cranes, and heavy-duty loaders.