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Heavy-Duty Main Hydraulic Pumps & High-Pressure Piston Pump Assemblies
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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 -
100-3259 0R-9645 Hydraulic Pump for Cat 416B 426B 428B 436B 438B Backhoe Loader
100-3259 0R-9645 Hydraulic Pump for Cat 416B 426B 428B 436B 438B Backhoe Loader Part Number: 100-3259 0R-9645 Application: for Cat 416B 426B 428B 436B 438B Backhoe Loader Condition: New Aftermarket Parts In Stock Key Features:...Regular price $ 1,495 -
Hydraulic Pump 5S-1601 5S1601 For Caterpillar CAT 951C D4E
Part Number: 5S-1601, 5S1601 Application: For Caterpillar TRACK-TYPE TRACTOR 4 4A D4E D4E SR For Caterpillar 951C D4E For Caterpillar Engine 3304 Details: D4E TRACTOR / DIRECT DRIVE / 68X00001-UP (MACHINE) POWERED BY 3304...Regular price $ 610 -
Piston Pump Hydraulic Pump PVD-2B-36L3DS-5S-4126F for Nachi Hitachi EX30-2
Piston Pump Hydraulic Pump PVD-2B-36L3DS-5S-4126F for Nachi Hitachi EX30-2 Part Number: PVD-2B-36L3DS-5S-4126F Application: for Nachi Hitachi EX30-2 Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification required for installation. Stable operation: Ensures...Regular price $ 2,200 -
Hydraulic Pump 1991524C2 1275148C1 for Case 244 234 245 254 255 Mitsubishi MT180
Hydraulic Pump 1991524C2 1275148C1 for Case 244 234 245 254 255 Mitsubishi MT180 Part Number: 1991524C2 1275148C1 Application: for Case 244 234 245 254 255 Mitsubishi MT180 Condition: New Aftermarket Parts In Stock Key Features:...Regular price $ 198
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.