Detail Information

Part Number:

139-4151 421-1808

MOQ:

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

High-performance hydraulic pump specifically designed for Caterpillar D8R Dozer applications, ensuring reliable operation and optimal performance.

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, Money Gram, Credit Card, Paypal

Product Images

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

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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 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.

Industry Exhibition Participation

Packaging & Shipping

Payment Information

Tag:

Place of Origin:	CHINA
Brand Name:	JIAJUE
Model Number:	D8R

Minimum Order Quantity:	1
Price:	Please send mail or WhatsApp
Packaging Details:	139-4151 421-1808 Hydraulic Pump for D8R Dozer is Packed in standard export packing under customer's requirement
Delivery Time:	1-3 work days
Payment Terms:	L/C, D/A, D/P, T/T, Western Union,
Supply Ability:	1000PCS/MONTH

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