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Heavy-Duty Main Hydraulic Pumps & High-Pressure Piston Pump Assemblies
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705-56-24020 7055624020 Hydraulic Pump fits for Komatsu Excavators PC200-1 PC220-1
This new aftermarket hydraulic pump assembly is designed as a direct replacement for Komatsu Excavators PC200-1 PC220-1. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. 705-56-24020 7055624020 Hydraulic Pump...Regular price $ 2,298 -
705-56-36051 Hydraulic Pump fits for Komatsu Wheel Loaders WA320-5 WA320PZ-6
705-56-36051 Hydraulic Pump fits for Komatsu Wheel Loaders WA320-5 WA320PZ-6 Part number: 705-56-36051 Package Included: HYDRAULIC PUMP*1 Application: For WA320 Condition: New Aftermarket In Stock Key Features: Direct-fit replacement: No modification required for installation. Stable operation:...Regular price $ 2,200 -
705-51-30190 Hydraulic Pump fits for Komatsu Bulldozers D85A-21 D85E-21 D85P-21
705-51-30190 Hydraulic Pump fits for Komatsu Bulldozers D85A-21 D85E-21 D85P-21 Part number:705-51-30190 Package Included: Hydraulic Pump*1 Application:for Komatsu Bulldozers D85A-21 D85E-21 D85P-21 Condition: New Aftermarket In Stock Key Features: Direct-fit replacement: No modification required for installation....Regular price $ 880 -
705-51-30290 Hydraulic Pump fits for Komatsu Bulldozers D155A-3 D155AX-5
705-51-30290 Hydraulic Pump fits for Komatsu Bulldozers D155A-3 D155AX-5 Part number: 705-51-30290 Package Included: Hydraulic Pump*1 Application:fits for Komatsu Bulldozers D155A-3 D155AX-5 Condition: New Aftermarket In Stock Key Features: Direct-fit replacement: No modification required for installation....Regular price $ 1,268 -
705-51-32000 Hydraulic Pump fits for Komatsu Wheel Loaders 540-1 W90-3 W120-3
Order Includes:1x Hydraulic Pump Replaces : (Please be sure of your part number before purchase)705-51-32000 Fits Models:Komatsu Wheel Loaders 540-1 540B-1Komatsu Wheel Loaders W90-3 Komatsu Wheel Loaders W120-3 Key Features: Direct-fit replacement: No modification required for installation. Stable operation:...Regular price $ 880 -
705-52-20100 Hydraulic Pump fits for Komatsu Wheel Loaders WA450-1 WA470-1
This new aftermarket hydraulic pump assembly is designed as a direct replacement for Komatsu Wheel Loaders WA450-1 WA470-1. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. 705-52-20100 7055220100 Hydraulic...Regular price $ 708
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.