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Heavy-Duty Main Hydraulic Pumps & High-Pressure Piston Pump Assemblies
Special Offers
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For Komatsu Wheel Loader WA600-1LC WA600-1LE Hydraulic Pump 705-57-46000 7055746000
This new aftermarket hydraulic pump assembly is designed as a direct replacement for for Komatsu Wheel Loader WA600-1LC WA600-1LE. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. For Komatsu...Regular price $ 3,568 -
Fits For Komatsu Wheel Loader WA800-1 WA800-2 WA900-1LC Hydraulic Pump 705-58-43010 7055843010
This new aftermarket hydraulic pump assembly is designed as a direct replacement for for Komatsu Wheel Loader WA800-1 WA800-2 WA900-1LC. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. Fits...Regular price $ 3,800 -
NEW 705-58-44000 Hydraulic Pump ASS'Y For Komatsu D575A-3 D575A-2 D575A-3-M
This new aftermarket hydraulic pump assembly is designed as a direct replacement For Komatsu D575A-3 D575A-2 D575A-3-M. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. NEW 705-58-44000 Hydraulic Pump...Regular price $ 3,298 -
Hydraulic Pump 705-58-46001 705-58-46000 for Komatsu Wheel Loader WA600-1 WA600-1H WA600-1L
This new aftermarket hydraulic pump assembly is designed as a direct replacement for Komatsu Wheel Loader WA600-1 WA600-1H WA600-1L. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. Hydraulic Pump...Regular price $ 3,998 -
705-58-45000 Hydraulic Pump fits for Komatsu Wheel Loader WA800-3 WA900-3
This new aftermarket hydraulic pump assembly is designed as a direct replacement for Komatsu Wheel Loader WA800-3 WA900-3. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. 705-58-45000 Hydraulic Pump...Regular price $ 3,668 -
Hydraulic Pump Ass'y 705-58-45040 for Komatsu Wheel Loader WA900 WA900L
This new aftermarket hydraulic pump assembly is designed as a direct replacement for for Komatsu Wheel Loader WA900 WA900L. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. Hydraulic Pump...Regular price $ 3,208
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.