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Quality 139-4151 421-1808 Hydraulic Pump for D8R Dozer factory
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Quality 139-4151 421-1808 Hydraulic Pump for D8R Dozer factory
Quality 139-4151 421-1808 Hydraulic Pump for D8R Dozer factory
Quality 139-4151 421-1808 Hydraulic Pump for D8R Dozer factory
Quality 139-4151 421-1808 Hydraulic Pump for D8R Dozer factory
>

139-4151 421-1808 Hydraulic Pump for D8R Dozer

Brand Name: JIAJUE
Model Number: D8R
Place of Origin: CHINA
Minimum Order Quantity: 1
Price: Please send mail or WhatsApp
Supply Ability: 1000PCS/MONTH
Tags

hydraulic charge pump

hydraulic piston pump

hydraulic gear pump

Product Details

Part Number: 139-4151 421-1808 MOQ: 1
Highlight

D8R Dozer hydraulic pump

,

Excavator hydraulic pump 139-4151

,

421-1808 hydraulic pump with warranty

Product Description

139-4151 421-1808 Hydraulic Pump for D8R Dozer
Product Specifications
Product Name Hydraulic Pump
Place of Origin Guangzhou
Brand Name JIAJUE
Part Number 139-4151 421-1808
Model D8R
Type Hydraulic Pump
Minimum Order Quantity 1 Piece
Availability In Stock
Supply Ability 1000pcs Per Month
Port Guangzhou/Shenzhen/Ningbo/Shanghai
Delivery Methods DHL FedEx TNT UPS
Payment Methods TT, Western Union, , Credit Card, Paypal
Product Images
139-4151 421-1808 Hydraulic Pump front view
139-4151 421-1808 Hydraulic Pump side view
139-4151 421-1808 Hydraulic Pump detailed components
139-4151 421-1808 Hydraulic Pump mounting interface
Quality Testing Procedure
  • Check test bench and instrument operational status to ensure normal function
  • Verify hydraulic pump pipeline connections for tightness and leak-free operation
  • Start hydraulic gauge system and preheat equipment
  • Run hydraulic pump to achieve stable operating temperature
  • Set operating parameters including pressure, flow, and speed according to test requirements
  • Conduct final test run with test liquid, recording pressure, flow, speed, and temperature parameters
  • Monitor pump performance including noise levels, vibration, and temperature stability
Related Products
Related hydraulic pump product model 1
Related hydraulic pump product model 2
Frequently Asked Questions
What are the steps involved in installing 139-4151 421-1808 hydraulic pump?
  • Clean pipelines and oil tank thoroughly
  • Replace filter element and hydraulic oil
  • Clean all connection joints
  • Pre-fill system with oil and bleed air completely
  • Inspect bearings and seals for proper condition
  • Perform functional test of hydraulic system after installation
  • Check pump operation for abnormal noise or vibration
  • Verify system is leak-free and operating correctly
What should we do if 139-4151 421-1808 hydraulic pump leaks oil while working?
Immediately check oil seals and pipe fittings for damage or wear. Replace any compromised components to prevent further leakage and potential system damage.
Are hydraulic pumps in excavators compatible across different models?
Some hydraulic pumps offer compatibility, but interchangeability requires exact matching of technical parameters. Compatibility typically remains within manufacturer product lines or specific aftermarket equivalents.
Does the hydraulic pump come with after-sales service?
Yes, all hydraulic pumps include a comprehensive 3-month warranty for your peace of mind.
Why choose Guangzhou Jiajue Company?
Our hydraulic pumps undergo rigorous pre-shipment testing to ensure proper functionality after installation, guaranteeing reliable performance and customer satisfaction.
Company Profile
Guangzhou Jiajue Machinery Equipment manufacturing facility
GUANGZHOU JIAJUE MACHINERY EQUIPMENT CO., LTD
Guangzhou Jiajue is a specialized manufacturer, developer, and distributor of excavator parts. With years of expertise and continuous innovation, we supply thousands of excavator components including undercarriage parts, rubber parts, engine components, oil seals, consumable parts, iron parts, and hydraulic breakers across hundreds of applications with comprehensive product range and quality assurance.
We maintain our principle of developing superior quality products and providing exceptional service. We believe that high-quality products build strong brand reputation, and excellent service fosters lasting customer relationships. We sincerely look forward to cooperating with you and building stronger business partnerships.
Additional view of Guangzhou Jiajue Machinery Equipment facilities
Industry Exhibition Participation
Guangzhou Jiajue company exhibition booth at industry trade show
Packaging & Shipping
Secure packaging for hydraulic pump product 1
Secure packaging for hydraulic pump product 2
Payment Information
Accepted payment terms and methods for hydraulic pump purchases

Product Highlights

139-4151 421-1808 Hydraulic Pump for D8R Dozer Product Specifications Product Name Hydraulic Pump Place of Origin Guangzhou Brand Name JIAJUE Part Number 139-4151 421-1808 Model D8R Type Hydraulic Pump Minimum Order Quantity 1 Piece Availability In Stock Supply Ability 1000pcs Per Month Port ...

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