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RITO Variable Displacement Pump 9149125 EX330LC-5 HPV145 Tandem Pump 9166355 9169055 EX300-5 Excavator Main Pump Assy

When excavators face unstable hydraulic flow or reduced cycle efficiency, overall project output can suffer. The 9149125 variable displacement pump is developed to provide accurate hydraulic regulation and dependable power delivery, helping contractors and fleet owners maintain smooth machine performance in heavy-duty excavation environments. Compatible with HPV145 tandem pump systems. 

  • Item NO.:

    9166355 (9169055) 91
  • Order(MOQ):

    1
  • Payment:

    T/T, WESTERN UNION, CHINESE BANK,PAYPAL
  • Product Origin:

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

9166355 Hydraulic Pump

 
Product Specifications

Part Number 
9166355
Part Name Hydraulic Pump
Compatible Brand Hitachi
Applicable Models EX330LC-5, EX300-5
Application Excavator
Material High-Strength Alloy Steel
Product Color Metallic Gray
Working Temperature -30°C to +95°C
Key Function Generate, regulate, and distribute hydraulic power throughout the excavator system
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

Adaptive Flow Management

Variable displacement technology adjusts hydraulic output according to workload demands for efficient machine operation.

Leak-Free

Tandem Pump Structure

Supports coordinated hydraulic distribution for boom, arm, bucket, and travel functions working together.

Direct Fitment

Built For Intensive Job Sites

Performs reliably in construction, quarry, and mining applications requiring long operating hours.

Rigorous Testing

Consistent Pressure Performance

Helps maintain smooth hydraulic response and stable system operation under changing loads.

Excavator Hydraulic Part

FAQ


QWhat symptoms usually indicate a hydraulic pump performance issue?
A: Common indicators include weak digging force, slow attachment movement, hydraulic overheating, abnormal pump noise, and unstable operating pressure.
 
QWhat technical checks are recommended before installation?
A: Inspect hydraulic hoses, clean the oil circuit, replace contaminated filters, verify shaft alignment, and perform system air bleeding procedures.
 
Q: How does this pump perform in extremely dusty or high-load environments?
A: Its reinforced internal design supports stable hydraulic output when combined with proper filtration and scheduled maintenance practices.
 
Q: Can hydraulic pump wear affect fuel consumption and productivity?
A: Yes. Reduced pump efficiency can increase fuel usage, slow machine response, lower digging performance, and contribute to unexpected downtime.
 
Q: What quality options are available?

A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.

 

Q:Why Choose RITO?
A:Listed Factory
   Stable&Reliable Quality
   OEM Factory for Chinese Top Excavator Brands
   Supplier to Fortune 500 Companies

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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