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PC450LC-7K hydraulic pump for Komatsu Excavator spare parts 708-2H-31540 Main Hydraulic pump

Categories Excavator Hydraulic Pump
Brand Name: Belparts
Model Number: PC450LC-7K
Place of Origin: China
MOQ: 1 piece
Price: Negotiable price
Payment Terms: T/T, Paypal and Trade Assurance
Supply Ability: 1000pieces
Delivery Time: 1-5days
Packaging Details: Wooden packing
Machine model: PC450LC-7K
Part number: 708-2H-31540
Brand: Komatsu
Product name: Excavator main pump
Application: Crawler Excavator
Condition: Original refurbished
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PC450LC-7K hydraulic pump for Komatsu Excavator spare parts 708-2H-31540 Main Hydraulic pump

PC450LC-7K hydraulic pump for Komatsu Excavator spare parts 708-2H-31540 Main Hydraulic pump​

Belparts (GUANGZHOU BELPARTS ENGINEERING MACHINERY LIMITED), is a foreign trade company integrating development, sales, procurement, warehousing, transportation and service. Founded in September 2013, we have more than ten years of experience in machinery trade.


Our main products are Excavator Hydraulic Spare Parts, Hydraulic Main Pump, Swing Motor, Travel Motor, Final Drive Ass'y, Swing Device Ass'y, Swing Gearbox, Travel Gearbox, Gears, Regulators, Relief Valve, Fan Motor and other hydraulic items with genuine and aftermarket quality. Until now, our products have been exported to more than 125 countries and regions, spreading all over the Middle East, Southeast Asia, Africa, North America, South America, Europe and Oceania with our own brand "Belparts", which is highly praised by foreign customers and enjoys a high reputation.


Please feel free to contact me if needed.


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The excavator hydraulic pump is the "power core" of the excavator's hydraulic system. Its core function is to convert the engine's mechanical energy into hydraulic energy, supplying pressure oil for operations such as digging, rotating, and lifting. Its usage should focus on three cores: proper operation, daily maintenance, and fault prediction to ensure stable system operation.

1,Warm up after startup: After starting the engine, let it idle for 3-5 minutes. Only operate when the hydraulic oil temperature rises above 20℃. Avoid sudden acceleration or rapid action switching when the machine is cold to prevent pump wear due to insufficient lubrication.


2,Smooth operation: Push the control lever slowly and avoid sudden load increases. For example, do not force digging in hard soil, and do not perform rapid rotation and boom lifting simultaneously to reduce instantaneous pressure impact on the pump.


3,Avoid long-term high-pressure idling: Do not run the pump under high pressure (e.g., full bucket suspended, digging stuck on hard rock) for more than 30 seconds. If the time is exceeded, relieve pressure first (e.g., retract the bucket, lower the boom) to prevent pump overheating and damage.

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