Xiamen Doozer Construction Machinery Co., Ltd.
Xiamen Doozer Construction Machinery Co., Ltd.
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QUY50 Crawler Crane Track Roller - High Strength Wear Resistant Undercarriage Parts with ISO Certification
Product Overview
Upgrade your QUY50 crawler crane's performance with our premium track rollers engineered for maximum durability and extended service life. These high-strength undercarriage components deliver exceptional wear resistance in demanding construction environments, ensuring reliable operation across mining, infrastructure, and heavy lifting applications.
Key Specifications
| Technical Parameter | Details |
|---|---|
| Compatible Model | QUY50 Crawler Crane |
| Material Options | 40Mn2 / 42CrMo / 35SiMn |
| Surface Hardness | HRC 50-58 |
| Quenching Depth | 4-8mm |
| Load Capacity | OEM Standard Compliant |
| Certification | ISO 9001:2015 Certified |
| Warranty | 12 Months / 2500 Working Hours |
Premium Material Composition
Our QUY50 crane track rollers feature advanced alloy steel formulations:
40Mn2 Steel: Carbon content 0.37-0.44%, Manganese 1.4-1.8%
42CrMo Steel: Enhanced chromium-molybdenum alloy for superior strength
Heat Treatment: Precision quenched and tempered to HB 250-300 hardness
Manufacturing Excellence
Each track roller undergoes rigorous quality control:
CNC Machining: Precision-machined bolt holes for perfect alignment
Forging Process: 100% forged construction for maximum strength
Surface Treatment: Shot blasting + anti-corrosion coating
Sealing System: Premium floating seals prevent oil leakage
Final Testing: Rolling test, pressure test, and dimensional inspection
Performance Benefits
Extended Service Life: 30% longer lifespan than standard rollers
Reduced Downtime: Interchangeable design for quick replacement
Cost Efficiency: Lower total ownership costs through durability
Versatile Application: Suitable for mining, port, bridge, and oilfield operations
Global Compatibility: Fits major crane brands including XCMG, SANY, FUWA
Quality Assurance
ISO 9001:2015 certified manufacturing processes
CE compliant quality standards
100% inspection before shipment
Material certificates provided with each batch
Traceability throughout production process
Fast Delivery & Service
Lead Time: 7-20 days (most parts in stock)
Minimum Order: 1 piece accepted
Packaging: Export-ready plywood boxes
Shipping: EXW, FOB, CFR, CIF terms available
Payment: T/T, Western Union, secure payment gateways
FAQ
Q: What maintenance is required for these track rollers?
A: Regular inspection every 500 working hours and proper lubrication extends service life significantly.
Q: Are these rollers interchangeable with OEM parts?
A: Yes, our rollers are designed to meet or exceed OEM specifications for direct replacement.
Q: Do you provide technical support?
A: Our engineering team offers 24/7 technical assistance and installation guidance.
Why Choose Our QUY50 Track Rollers?
With 10+ years serving EPC contractors and crane rental companies worldwide, we understand the critical importance of reliable undercarriage components. Our track rollers deliver the perfect balance of strength, durability, and cost-effectiveness for your QUY50 crawler crane operations.
Order Your QUY50 Track Rollers Today
Contact our specialists for competitive pricing and fast delivery. Bulk order discounts available for construction fleets and rental companies.
Detailed photos
