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Heavy-Duty Main Hydraulic Pumps & High-Pressure Piston Pump Assemblies
Special Offers
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For Komatsu Dump Truck HD785-2 HD785-3 HD785-5 Hydraulic Pump 705-11-28010
For Komatsu Dump Truck HD785-2 HD785-3 HD785-5 Hydraulic Pump 705-11-28010 Part Number: 705-11-28010 Application: For Komatsu Dump Truck HD785-2 HD785-3 HD785-5 Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification required...Regular price $ 640 -
705-56-44090 7055644090 Hydraulic Pump Assembly for Komatsu HD785-7
This new aftermarket hydraulic pump assembly is designed as a direct replacement for Komatsu HD785-7 wheel loaders. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. Hydraulic Pump 705-56-44090 7055644090...Regular price $ 3,498 -
NEW Hydraulic Pump ASS'Y 705-52-42220 For Komatsu HD785-7 DUMP TRUCKS
This new aftermarket hydraulic pump assembly is designed as a direct replacement for Komatsu HD785-7 DUMP TRUCKS. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. NEW Hydraulic Pump ASS'Y...Regular price $ 2,998 -
NEW Hydraulic Pump 705-52-42100 For Komatsu 330M HD785-3 HD785-5 HD985-3 HD985-5
Hydraulic Pump 705-52-42100 7055242100 for Komatsu Dump Truck 330M HD985-5 HD985-3 HD785-3 HD785-55 :705-52-42100,7055242100 Application:Model:330M,HD985-5,HD985-3,HD785-3,HD785-5 See Details:330M S/N 24120-24415, 24421-24448, 24452, 24474(BFP41-A to BFP41-BK) DUMP TRUCKSHD785-3 S/N 2001-UP DUMP TRUCKSHD785-5 S/N 4001-UP DUMP TRUCKSHD985-3 S/N 1001-UP...Regular price $ 2,468 -
Hydraulic Pump 705-51-42010 7055142010 for Komatsu Dump Truck HD785-2
Hydraulic Pump 705-51-42010 7055142010 for Komatsu Dump Truck HD785-2 Part Number: 705-51-42010 7055142010 Application: for Komatsu Dump Truck HD785-2 Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification required for installation....Regular price $ 1,998 -
Hydraulic Pump 705-95-03020 705-95-03021 for Komatsu Dump Truck HD465-7E0 HD465-7R HD605-7E0 HD605-7R
Hydraulic Pump 705-95-03020 705-95-03021 for Komatsu Dump Truck HD465-7E0 HD465-7R HD605-7E0 HD605-7R :705-95-03020,705-95-03021,7059503020,7059503021 Application: Model:HD465-7E0,HD465-7R,HD605-7E0,HD605-7R See Details: HD465-7E0 S/N 10001-10731 (ecot3) DUMP TRUCKS HD465-7R S/N 15001-15351 (W/O EGR) DUMP TRUCKS HD465-7R S/N 15352-UP DUMP TRUCKS HD465-7R...Regular price $ 1,658
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.