Bulldozer D11N Chain Track Link fit Caterpillar Dozer
High-strength Caterpillar D11N bulldozer track links forged from 35MNB steel and heat-treated for HRC52–58 surface hardness. Precision-machined, wear-resistant, and OEM-compatible for long-lasting undercarriage performance in heavy-duty operations.
| Material | 35MnB |
|---|---|
| Surface Hardness | HRC52-58 |
| Colors | Black or yellow or customized |
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Kinton Parts is trusted by professionals worldwide for delivering high-quality parts for excavators, bulldozers, and other construction machinery—with guaranteed performance and durability.
The Caterpillar D11N track link is an essential undercarriage component designed to withstand the immense power and ground pressure of one of the largest dozers in the world. Each link forms a critical part of the track chain assembly, transferring torque from the sprocket to the ground while maintaining structural integrity under extreme loads. Engineered for long service life and precision fit, our D11N track links provide excellent wear resistance, reliable performance, and smooth engagement in the harshest dozing and ripping environments.
Material Composition and Forging Process
Each D11N track link is forged from high-quality 35MnB steel, selected for its superior tensile strength and impact absorption. The material undergoes deep induction hardening to achieve a surface hardness of HRC 50–56, while preserving a tough and flexible core to resist cracking under high shock loads. This dual-layer strength ensures the links endure heavy dozing operations without deformation or premature wear.
The closed-die forging process enhances the internal grain density, eliminating porosity and ensuring consistent microstructure across every link. This forging precision gives each piece excellent resistance to bending fatigue and pin-hole elongation—critical for maintaining the tight tolerances of the track chain pitch over long working hours.
1. Track Link Forging & Machining
As can be seen from the finished batch of chain links, each chain link is processed through a standardized production line, and the dimensional accuracy error is controlled within 0.05mm, ensuring smooth chain transmission after assembly and avoiding track jamming due to pitch deviation.
2.Chain Pins
As a key connecting component of the chain, the chain pin is made of the same 35MnB material as the chain link and processed through the same heat treatment process. Its hardness and strength fully match the chain body, avoiding breakage risks caused by uneven component strength and ensuring the stability of the entire chain transmission system.
3. Fine Painting Process
Finished chains undergo a three-step rust-proofing process: degreasing and rust removal, phosphating, and fine painting. The images clearly show the smooth, even paint film on the chain surface. This process effectively shields the chain from rain and sediment, significantly reducing the rate of chain corrosion and extending maintenance intervals, even in humid and dusty mining and construction environments.
4. Standard Packaging
The finished chains are packaged in waterproof film-coated woven bags + wooden pallets. As shown in the shipment image, the packaging is neat and standardized, which can effectively resist extrusion, collision and moisture invasion during transportation, ensuring the chains are delivered to customers in good condition without worrying about transportation damage.
Compatibility and OEM References
Our D11N track links are interchangeable with OEM parts, ensuring a perfect match and reliable performance. They are designed to replace OEM parts and are suitable for standard and heavy-duty operations on Caterpillar D11N, D11R, and D11T bulldozers.
All dimensions, pitch accuracy, and material properties conform to Caterpillar OEM specifications, so these links can be installed directly without modification.
| BRAND | MACHINERY MODEL NUMBER | |||||||
|---|---|---|---|---|---|---|---|---|
| CATERPILLAR | D3 | D3C | D3K | D3K2 | D4 | D4C | D4H | D4K2 |
| D5 | D5B | D5C | D5H | D5K | D5K2 | D5LGP | D5N | |
| D5R | D6 | D6B | D6C | D6D | D6G | D6H | D6K | |
| D6K2 | D6M | D6N | D6R | D6T | D6XE | D7 | D7E | |
| D7G | D7H | D7R | D7R II | D7T | D8 | D8H | D8K | |
| D8L | D8N | D8R | D8T | D9 | D9G | D9H | D9N | |
| D9R | D9T | D10 | D10N | D10R | D10T | D10T2 | D11 | |
| D11N | D11R | D11T | D11T CD | D11T2 | D3XL | D5XL | D6XL | |
| D6LGP | D7LGP | D8LGP | D9LGP | D5C LGP | D4G XL | D6G2 | D5G | |
| D3G | D3C III | D4E | D5E | D6E | D6S | D8S | D10S | |
Looking for a specific make or model not listed here? Reach out and we’ll be happy to assist.
Performance and Advantages
Our Caterpillar D11N track link is designed to deliver balanced wear and optimal ground contact under heavy operating conditions. The precision-machined bushing seats and link pitch ensure smooth articulation, reducing noise and vibration while minimizing the stress on sprockets and rollers. The high surface hardness protects against abrasive wear from sand, rock, or gravel, while the ductile core absorbs impact loads effectively—making these links suitable for both mining and quarry applications.
In addition, the link profile is optimized for efficient self-cleaning, preventing material buildup between joints, which can cause premature wear or seizing during operation.
Quality Control and Testing
Every production batch is monitored under ISO9001:2015 quality standards, and each link undergoes a comprehensive inspection routine that includes:
- Dimensional accuracy verification
- Rockwell hardness testing
- Magnetic particle inspection for crack detection
- Pin and bushing fit testing under simulated load conditions
Our quality assurance ensures consistent performance and dependable field durability, even in abrasive or high-impact environments.
Maintenance Recommendations
To maximize service life and maintain optimal performance:
- Regularly check track tension—over-tightened chains accelerate link and bushing wear.
- Replace worn links in complete groups to ensure pitch consistency.
- Keep the undercarriage free from compacted debris and hardened mud.
- Lubricate the pins and bushings at proper intervals, especially in dry or sandy conditions.
- Conduct visual inspections for cracks, abnormal wear patterns, or elongation.
Application Scenarios
The Caterpillar D11N track link is ideal for open-pit mining, quarrying, large-scale earthmoving, and heavy ripping operations. Its design ensures excellent stability and traction across rock, clay, or mixed terrain, helping operators achieve maximum dozing power with reduced downtime.
SHIPPING & DELIVERY
At Kinton Parts, we ensure reliable, worldwide shipping of parts for excavators, bulldozers, and a full range of construction machines—safe, fast, and secure.
All products are securely packed using high-quality export cartons, reinforced wooden cases, or industry-standard palletized packaging to ensure maximum protection during transit and smooth handling during unloading.
Standard orders are typically shipped within 3–5 working days, while large or customized orders are usually dispatched within 7–20 days, depending on volume and production requirements.
We offer flexible global shipping options, including:
- International sea freight for cost-effective bulk transport
- Air freight for urgent orders
- Courier delivery (DHL, FedEx, UPS) for small-volume or sample shipments
Our logistics team manages every shipment carefully, providing real-time updates and tracking information until your order arrives safely at your destination.
Need assistance choosing the best shipping method for your location and timeline? Contact our team — we’ll help you plan a smooth delivery experience.
FAQ
Q: What are your main products?
A: We supply a full range of undercarriage and wear parts for excavators, bulldozers, and other heavy equipment. Our product line includes: Track rollers, carrier rollers, front idlers, sprockets, segments, track shoes, track chains, bolt and nuts, pins and bushings, bucket teeth and adaptors, filters, seal kits, swing bearing, and hydraulic cylinder—plus other essential replacement parts.
Q: Which countries do you export to?
A: Kinton Parts exports to over 60 countries worldwide, including:
USA, Canada, UK, Germany, Russia, UAE, Indonesia, Malaysia, Thailand, India, Pakistan, Bangladesh, Sri Lanka, South Africa, Colombia, Peru, and many others.
Q: Can I order a sample?
A: Yes, we accept trial orders. For parts in stock, samples can be shipped quickly. If you have technical drawings or existing samples, we also support customized production and mold development.
Q: How can I track my order after shipping?
A: Once your order is shipped, we will provide you with all necessary tracking information based on the shipping method. For express deliveries, you’ll receive a tracking number to follow the shipment online. For air or sea freight, we’ll send you the relevant documents such as the airway bill (AWB) or bill of lading (B/L), along with the packing list and commercial invoice to help with tracking and customs clearance.
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Trusted by professionals worldwide, Kinton Parts supplies premium-quality components for excavators, bulldozers, and more—with reliable quality you can count on.
