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Heavy-Duty Main Hydraulic Pumps & High-Pressure Piston Pump Assemblies
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Hydraulic Pump 708-3S-04541 708-3S-04573 For Komatsu PC40MR-2 PC50MR-2 PC58UU-3
Hydraulic Pump 708-3S-04541 708-3S-04573 For Komatsu PC40MR-2 PC50MR-2 PC58UU-3 Part number: 708-3S-04541 708-3S-04573 Package Included: Hydraulic Gear Pump*1 Application:For Komatsu PC40MR-2 PC50MR-2 PC58UU-3 Condition: New Aftermarket In Stock Key Features: Direct-fit replacement: No modification required for...Regular price $ 398 -
Hydraulic Pump 705-56-26030 7055626030 For Komatsu Crane LW250-5X LW250-5H
This new aftermarket hydraulic pump assembly is designed as a direct replacement For Komatsu Crane LW250-5X LW250-5H loaders. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. Hydraulic Pump 705-56-26030...Regular price $ 1,816 -
hydraulic pump 23A-60-11200 for Komatsu grader GD511A-1 GD521A-1
hydraulic pump 23A-60-11200 for Komatsu grader GD511A-1 GD521A-1Part number: 23A-60-11200 Package Included:Hydraulic Pump*1Application: for Komatsu grader GD511A-1 GD521A-1Condition:New Aftermarket In Stock Key Features: Direct-fit replacement: No modification required for installation. Stable operation: Ensures consistent performance under...Regular price $ 650 -
Hydraulic Pump 55371-10010 for Bulldozer BD2G
Hydraulic Pump 55371-10010 for Bulldozer BD2GPart number: 55371-10010Package Included:Hydraulic Pump*1Application: for Bulldozer BD2GCondition:New Aftermarket In Stock Key Features: Direct-fit replacement: No modification required for installation. Stable operation: Ensures consistent performance under standard conditions. Heavy-duty design: Engineered...Regular price $ 680 -
Forklift Parts Hydraulic Pump used for 7FB30 With 67110-33130-71
Forklift Parts Hydraulic Pump used for 7FB30 With 67110-33130-71 Part number: 67110-33130-71 Package Included:Hydraulic Pump*1Application: used for 7FB30Condition:New Aftermarket In Stock Key Features: Direct-fit replacement: No modification required for installation. Stable operation: Ensures consistent performance under...Regular price $ 1,200 -
forklift parts hydraulic pump used for 3T V2403 with H2F97-10001
forklift parts hydraulic pump used for 3T V2403 Engine with H2F97-10001 Part Number: H2F97-10001 Application: V2403 Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification required for installation. Stable operation: Ensures consistent...Regular price $ 648
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.