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Heavy-Duty Main Hydraulic Pumps & High-Pressure Piston Pump Assemblies
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705-52-20190 Hydraulic Pump fits for Komatsu Wheel Loaders WA450-1 WA470-1
705-52-20190 Hydraulic Pump fits for Komatsu Wheel Loaders WA450-1 WA470-1 Part number:705-52-20190 Package Included: HYDRAULIC PUMP*1 Application: fits for Komatsu Wheel Loaders WA450-1 WA470-1 Condition: New Aftermarket In Stock Key Features: Direct-fit replacement: No modification required...Regular price $ 768 -
705-52-20240 hydraulic pump switch and ppc pump for wheel loaders wa450-1 wa470-1
705-52-20240 hydraulic pump switch and ppc pump for wheel loaders wa450-1 wa470-1 Part number:705-52-20240 Package Included: HYDRAULIC PUMP*1 Application: for wheel loaders wa450-1 wa470-1 Condition: New Aftermarket In Stock Key Features: Direct-fit replacement: No modification required...Regular price $ 746 -
705-41-01320 Hydraulic Pump fits Komatsu Dozer D60P-12 D65E-12 D65EX-12 D65P-12
705-41-01320 Hydraulic Pump fits Komatsu Dozer D60P-12 D65E-12 D65EX-12 D65P-12 Part number:705-41-01320 Package Included: Hydraulic Pump*1 Application:fits Komatsu Dozer D60P-12 D65E-12 D65EX-12 D65P-12 Condition: New Aftermarket In Stock Key Features: Direct-fit replacement: No modification required for...Regular price $ 249 -
705-41-08070 Hydraulic Pump Assy for Komatsu Excavators PC10-7 PC15-3 PC20-7
705-41-08070 Hydraulic Pump Assy for Komatsu Excavators PC10-7 PC15-3 PC20-7 Part number: 705-41-08070 Package Included: Hydraulic Pump *1 Application:for Komatsu Excavators PC10-7 PC15-3 PC20-7 Condition: New Aftermarket In Stock Key Features: Direct-fit replacement: No modification required...Regular price $ 798 -
705-51-20240 New Hydraulic Pump ASS'Y For Komatsu WA250-1 WA250-1LC Wheel Loader
705-51-20240 New Hydraulic Pump ASS'Y For Komatsu WA250-1 WA250-1LC Wheel Loader Part number: 705-51-20240 Package Included: HYDRAULIC PUMP*1 Application: For Komatsu WA250-1 WA250-1LC Wheel Loader Condition: New Aftermarket In Stock Key Features: Direct-fit replacement: No modification required...Regular price $ 720 -
705-51-20280 Hydraulic Pump fits for Komatsu Wheel Loaders WA300-1 WA320-1
705-51-20280 Hydraulic Pump fits for Komatsu Wheel Loaders WA300-1 WA320-1 Part number:705-51-20280 Package Included: HYDRAULIC PUMP*1 Application: fits for Komatsu Wheel Loaders WA300-1 WA320-1 Condition: New Aftermarket In Stock Key Features: Direct-fit replacement: No modification required...Regular price $ 680
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.