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Heavy-Duty Main Hydraulic Pumps & High-Pressure Piston Pump Assemblies
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Hydraulic Pump 706-55-23020 7065523020 for Komatsu Cranes LW250L-1NH
This new aftermarket hydraulic pump assembly is designed as a direct replacement for for Komatsu Cranes LW250L-1NH. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions. Hydraulic Pump 706-55-23020 7065523020...Regular price $ 1,428 -
Side Door Lock Hydraulic Pump Door Lock For CAT 320B 320C 320D Excavator
Side Door Lock Hydraulic Pump Door Lock For CAT 320B 320C 320D Excavator Part Number: 320B 320C 320D Application: For CAT 320B 320C 320D Excavator Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No...Regular price $ 39 -
Hydraulic Pump SBA340451140 for Case DX55 DX60 DX48 FARMALL55 FARMALL60 Tractor
Part Number: B5910-19512, B591019512, SBA340451140 Application: Fit for CASE Tractor: DX55, FARMALL 45A, DX60, FARMALL 60, DX48, FARMALL 55A, FARMALL 55 Key Features: Direct-fit replacement: No modification required for installation. Stable operation: Ensures consistent performance under...Regular price $ 580 -
Hydraulic Pump 10R-8700 10R8700 For Caterpillar Backhoe Loader 420D 430D
Part Number: CA10R-8700, 10R-8700, 10R8700 Applications: For Caterpillar Backhoe Loader: 420D, 430D Key Features: Direct-fit replacement: No modification required for installation. Stable operation: Ensures consistent performance under standard conditions. Heavy-duty design: Engineered to support reliable service...Regular price $ 1,300 -
Hydraulic Pump 307-3063 For Caterpillar Loader 415F2 416E 416F 422F 428F 434F
Part Number: CA3073063, 307-3063, 3073063 CA20R6569, 20R-6569, 20R6569 Application: For Caterpillar Backhoe Loader: 426 416E 428F 416F 422F 422F2 434F 416F2 415F2 415F2 IL 426 F2 See Details: 426F2 Backhoe Loader Side Shift EJ400001-UP...Regular price $ 1,568 -
Hydraulic Pump For Massey Ferguson 3635 3645 3655 8110 8120 3712289M5 3712289M2
Part Name: Hydraulic Pump Part Number: 3712289M5 3712289M2 Application Models for Massey Ferguson 3635 3645 3655 3670 3690 8110 8120 8130 8140 8150 8160 Note: Make sure your part number & model both match listing before purchase. Contact...Regular price $ 1,600
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.