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The LVP370 main hydraulic piston pump assembly is engineered for Hitachi EX1800 and EX3500 excavators, delivering reliable hydraulic performance for demanding mining and heavy construction applications. This swashplate variable displacement pump provides constant power control under varying loads, ensuring efficient operation and extended service life.
4312387
4303630
4274549
4209358
4264706
Main Structure
The pump features a swashplate variable piston design. The regulator adjusts the swashplate angle and pump displacement under load to achieve constant power control, while built-in pressure and flow overload protection safeguards the system during demanding duty cycles.
Key Components
Cylinder block
Pistons
Slippers
Valve plate
Retainer plate
Ball hinge
Power regulator
Housing
Drive shaft
Purchasing Advice
Verify compatibility first. Confirm the part number and machine model before ordering to ensure correct fitment.
Choose the right grade for your application. For heavy mining work, genuine or high-quality remanufactured pumps are recommended. Premium aftermarket options are available for budget-conscious buyers.
Consider a repair kit. If the housing and drive shaft are undamaged, restoring the pump with new pistons, cylinder block, valve plate, and seal kit can significantly reduce cost.
Maintain oil cleanliness. This pump demands high oil cleanliness. Replace hydraulic oil and filters after installation to prevent premature wear.
Inspect on arrival. Check the housing, seals, and free rotation of the drive shaft immediately upon delivery.
Proper installation and clean hydraulic fluid are essential for maximizing pump service life and maintaining warranty coverage.
Guangzhou Kawo Construction Machinery Co., Ltd.
Company Profile
Professional Excavator Hydraulic Products Manufacturer & Service Provider
Founded in 2017, Guangzhou Kawo Construction Machinery Co., Ltd. is a professional manufacturer and service provider specializing in excavator hydraulic produ... Guangzhou Kawo Construction Machinery Co., Ltd.
Company Profile
Professional Excavator Hydraulic Products Manufacturer & Service Provider
Founded in 2017, Guangzhou Kawo Construction Machinery Co., Ltd. is a professional manufacturer and service provider specializing in excavator hydraulic produ...
