Quanzhou Zhanhong Machinery Co., Ltd
                                                                                                           
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7 Years
Since 2019
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E304 Track Roller for Crawler Excavators - 50 Ton Load Capacity, HRC 50-56 Hardness, ISO 9001 Certified Aftermarket Replacement

Price Negotiable
Price: competitive price
MOQ: 1
Delivery Time: 15 days
Brand: WEK
Product Description
Product Specifications
Material 50Mn/40SiMnTi Alloy Steel
Finish Smooth
Colors Black or Yellow
Manufacturing Technique Forging Casting
Surface Hardness HRC 50-56, Depth: 4mm-10mm
Warranty 2000 Hours
Certification ISO 9001-9002
FOB Price USD 20-250/Piece (FOB Xiamen)
Minimum Order Quantity $5000
Delivery Time Within 30 days after contract established
Product Images
E304 Track Roller for crawler excavator - front view E304 Track Roller for crawler excavator - side view Undercarriage track roller for excavator bulldozer Track roller installation on excavator undercarriage Track roller detailed construction view
Key Features & Advantages
  • Quench-tempering processes ensure excellent mechanical properties with high strength and superior wear resistance
  • Surface hardness HBN460 reduces wear and extends service life
  • Precise design and careful manufacturing for proper installation and easy maintenance
  • Heavy load capacity up to 50 tons without compromising excavator functionality
  • Reliable quality with high cost-performance ratio and quality service support
Quality Evaluation Guidelines
Material & Manufacturing Inspection
  • Steel grade verification using material certificates or spectrometer analysis
  • Uniform surface hardening verification (HRC 50-55 Rockwell hardness)
  • Crack and porosity inspection via magnetic particle testing or dye penetrant
Dimensional Precision
  • Critical dimension measurement with calipers: Inner Diameter ±0.05mm, Flange Thickness ±0.1mm
  • Axial runout verification
Seal & Lubrication System
  • Triple-lip seal design with nitrile rubber (NBR) material
  • Grease cavity fill rate verification (>85%)
  • Labyrinth-style dust exclusion grooves for anti-clog performance
Performance Testing
  • Dynamic load testing (≥15,000 hours @ 20-ton excavator load)
  • Rotation smoothness verification with >5 full rotations and minimal friction
  • Corrosion resistance testing (ASTM B117) showing no rust within 72 hours
Certification & Brand Markers
  • OEM compatibility verification (CAT® 320D, Komatsu PC200)
  • ISO 9001/TS16949 certification documentation
  • Permanent laser-etched "E304" ID code for authenticity
Additional Product Images
E304 track roller technical specifications diagram Track roller dimensional drawing Track roller installation schematic Track roller quality testing process
Contact Information
WhatsApp: +8615669210001
WeChat: +86 15669210001
Email: zhanghong@carrierrollers.com
Website: https://www.carrierrollers.com

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Quanzhou Zhanhong Machinery Co., Ltd
Location Room 403, Building A, LingSHOW World, No. 112, Citong Road, Fengze District, Quanzhou City, Fujian Province
Contact Person Stream.Jiang

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