Product Video
Main specification parameter for 6040 excavator track idler
Brand |
Model |
Product Name |
Part Number |
Assembly Quantity |
Weight |
Caterpillar |
6040 |
idler |
5210440 |
2 |
2000KG |
Product Details
Product Name |
idler |
Part Number |
5210440 |
Origin |
United States |
Brand Name |
STONE |
Model |
6040 |
Price |
Negotiable |
Packing Details |
Standard Export Packing |
Delivery Time |
0-30 Days |
Payment Term |
L/C, T/T |
Price Term |
FOB, CIF, CFR |
Supply Capacity |
50,000 PCS/Month |
Minimum Order Quantity |
1 PC |
Material |
High Quality Steel |
Technology |
Precision Machining |
Surface |
Treatment Anti-Corrosion Coating |
Quality |
Original Factory Standard |
Warranty Time |
12 Months or 2000 Hours |
After-Sales Service |
Full Support, Online Service |
Color |
Standard Caterpillar Yellow or Customizable |
Application |
Excavator |
Customizable |
including customized materials, surface treatment and specifications |
Product Quality
The product quality of Excavator Track Idler is the core element that we attach most importance to. Here are a few key aspects of how we ensure product quality:
Material control
The high-quality alloy steel materials we use have undergone strict composition analysis and performance testing to ensure that each idler wheel can maintain stable performance under extreme working conditions. This strict control of materials is the first step to ensure product quality.

Precision process
Through CNC precision machining, vacuum heat treatment, supersonic shot peening and other advanced processes, we ensure the dimensional accuracy and surface finish of the idler wheel. The application of these processes greatly improves the overall quality of the product.

Performance optimization
Through finite element analysis and optimized design, our idler pulleys have excellent load-bearing capacity, super wear resistance and efficient impact resistance. These performance features significantly improve the durability and reliability of the product.

Quality certification
Our products have passed multiple international quality management system certifications such as ISO9001 and ISO14001, which proves our strict standards and processes in quality management.

Full inspection system
Implement a 100% full inspection system to ensure that each idler wheel undergoes strict quality inspection and reaches high standards before leaving the factory.

Manufacturing Process

Our excavator track idlers are manufactured using a precision-engineered process that ensures every detail meets strict original equipment manufacturer specifications. From material selection to final assembly, every step is carefully monitored to guarantee product consistency and integrity. Our factory uses cutting-edge CNC machines for precision machining, ensuring that all dimensions and tolerances are perfect. With robotic welding and automatic inspection systems, we minimize human error and maintain top-notch production quality. This advanced technology enables us to produce idler for excavator smooth, uniform surfaces, excellent fit, and long-lasting performance.
Engineering for performance and efficiency
Our excavator track idler is a carefully engineered component designed to enhance the performance and efficiency of your excavator and heavy machinery.
Performance optimization
Efficient load distribution
Our idlers for excavator adopt advanced engineering design to ensure even load distribution on the lower part of the excavator, reducing the pressure on other key components such as rollers and sprockets. This design allows the excavator to drive smoothly even on rough terrain, significantly improving overall performance.
Smooth track movement
The solid construction of the idler ensures smooth track movement, which is essential for maintaining proper track tension. This stability is key to operational stability, reducing the risk of track slippage or misalignment.
Operational stability
By maintaining optimal track tension, our idlers enhance the excavator's stability, ensuring the machine maintains stable and reliable operation even in the most challenging terrains.
Efficiency improvement
Reduce friction and wear
The design of the idler wheel is to minimize friction and wear of the crawler system, so that the machine requires less energy when moving, thereby reducing overall fuel consumption and directly improving fuel efficiency.
Extended service life
Our idler pulleys are manufactured with precision engineering and high-quality materials to provide a longer service life compared to standard products. This durability reduces replacement frequency and maintenance costs.
Maintenance and uptime
Due to extended service life and reduced wear, it helps reduce the number of maintenance interventions and downtime, maximizing uptime and ensuring that your machinery is ready for continuous, reliable operation.
Cost Effective
Combining longer service life with reduced maintenance requirements, our excavator track idlers provide a cost effective solution for heavy machinery owners. In the long term, savings in maintenance and fuel consumption can be significant, helping to reduce overall cost of ownership.
Customization Options

We recognize that different projects require different product specifications, so we offer a wide range of customization options to meet the unique needs of your operation.
Whether you require specific dimensions, materials, or surface coatings, we can meet those needs.
We offer a variety of different types of roller options, such as single flange, double flange, or reinforced, depending on the load-bearing requirements of your machine.
We also offer customized surface treatments, such as anti-corrosion coatings for high humidity or chemical exposure environments, to ensure that your rollers are perfectly suited to your working environment.
Compatibility

Our excavator track idlers are seamlessly compatible with a variety of world-renowned brands, including Caterpillar, Komatsu, Hitachi, Volvo, and more. Each idler is precisely designed to meet the specifications of these brands, ensuring easy installation and out-of-the-box performance.
Thanks to precision manufacturing, our idlers are highly compatible with existing equipment components and can operate stably without additional adjustments. Its excellent compatibility not only shortens installation time, but also effectively reduces related costs, helping you quickly resume efficient operation of your equipment.
Factory and Production Capacity






Our advanced manufacturing facility, covering over 3,000 square meters, is equipped with state-of-the-art production equipment, including CNC machining centers, robotic welding systems, and efficient heat treatment equipment, ensuring high quality and large-scale production capabilities. With a monthly production capacity of over 50,000 units, we are able to easily handle large-volume orders and ensure fast delivery.
With 20 years of industry experience, our experienced team strictly controls the precision, durability and performance standards of each track idler to ensure consistent high quality products that meet the stringent needs of our customers.
Packaging and Delivery



To ensure your excavator track idlers arrive intact, we use a meticulous packaging process tailored to the specific needs of each product. Each idler is wrapped in protective material, and we use custom wooden crates to prevent damage during shipping.
Our packaging materials meet international standards to ensure protection against moisture, impact, and corrosion. We also offer customized packaging services, allowing you to specify a packaging method based on your unique shipping needs.
In addition, we offer real-time tracking services, so you can monitor your shipment throughout the delivery process to ensure it arrives at your location in a timely and safe manner.
Global Reach and Logistics

With a global network of partners and logistics experts, we are able to easily handle international orders. Whether you are located in Asia, Europe, Africa or America, our logistics team can ensure timely delivery of your excavator track idlers.
We offer flexible shipping options, including FOB, CIF and CFR terms, and work closely with top freight companies to ensure safe and efficient transportation.
Our team also takes care of all export documentation, customs clearance and import requirements, ensuring a worry-free service for our international customers.
After-Sales Support
We are committed to providing excellent after-sales service to ensure your complete satisfaction. Our idlers for excavator come with a comprehensive warranty for 12 months or 2,000 hours (whichever comes first). If any problems arise, our team of experts is ready to assist you with troubleshooting, replacement parts, and technical support.
We also provide preventive maintenance recommendations and services to help extend the life of your idlers and other undercarriage components. Whether it's remote assistance or on-site service, we stand behind our products and are committed to keeping your machine running with minimal downtime.

Customer Testimonials and Case Studies

John M., Mining Operations Manager (Australia)
"Since switching to STONE track idlers, we have seen a significant reduction in downtime and maintenance costs. The durability of these idlers is excellent and they can easily handle the harsh conditions at our mining sites. We have increased our equipment uptime by 25%, which has had a huge impact on our operational efficiency."
Carlos R., Fleet Manager (Chile)
"We have been using STONE excavator track idlers for over a year with excellent results. Not only have they exceeded our expectations in terms of wear resistance, but they have also increased machine efficiency by 30%. These idlers have proven to be very reliable even in our harsh mining environment."


Li Wei, Mining Equipment Supervisor (China)
"Since we started working with STONE, our maintenance costs have dropped significantly. The quality is very good and they can easily handle the high workload of our machines. We have also noticed improved track alignment and overall performance, resulting in smoother operations.
Our track rollers have been used on a variety of large-scale construction and mining projects around the world, earning praise for their durability and reliability. Many customers have reported significant reductions in maintenance costs and improved equipment uptime after switching to our products. These success stories prove the effectiveness of our track rollers in demanding environments.
FAQ
Q: What are the parts of an excavator track?
Q: Where is the idler used?
Q: How does an idler work?
Hot Tags: excavator track idler cat 6040 5210440, China excavator track idler cat 6040 5210440 manufacturers, suppliers, factory, digger idler wheel, Excavator drive sprocket, carrier roller excavator, caterpillar track chain, track shoe assy, Komatsu sprocket