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High Quality 40Cr Steel Excavator CAT 320 Track Pin 36.7*210MM - China Suppliers Factory Direct Supply
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Made from high-strength 40Cr steel for heavy-duty application.
High-quality excavator track pin made of 40Cr steel with heat treatment & wear resistance. Long service life up to 2000 hours. Custom sizes & OEM accepted. Fit 20–50 ton excavators. Factory direct, fast delivery.
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Professional heat treatment for excellent wear & abrasion resistance.
Durable track pins manufactured from premium 40Cr steel with excellent abrasion resistance. Precision polished, long working life, custom phosphating.
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Precise size 36.7×210MM, perfect fit for Caterpillar E320 excavator.
Custom sizes and OEM production based on samples or drawings, with factory-direct quality, fast delivery and reliable after-sales service.
Why Choose Us
Choosing the right supplier is about more than price—it is about consistency, capability, and trust. Quanzhou Hesen Machinery Industry Co., Ltd. has been serving the heavy machinery sector since 1990, building a legacy of over 30 years in the design, development, production, and sale of undercarriage parts. Our main offerings include track rollers, carrier rollers, sprockets, idlers, track link assemblies, track shoes, bushings and pins, bucket teeth, and high-strength bolts and nuts. With large warehouses supporting fast delivery and a dedicated team focused on quality, we are structured to support long-term partnerships. We believe in proactive communication, dependable after-sales support, and continuous improvement. If you are looking for a manufacturer who treats your business with the same care and professionalism that we have applied for three decades, we welcome you to send us your inquiry. Let us begin a conversation about how we can support your success with reliable products and a stable supply chain.
Frequently Asked Questions
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What material is used to manufacture your excavator track pins?
Our excavator track pins are manufactured from high-strength 40Cr alloy steel, which undergoes professional heat treatment to achieve excellent hardness, wear resistance, and abrasion resistance. This ensures a long service life of up to 2000 hours even under heavy-duty working conditions.
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What excavator models are your track pins compatible with?
Our standard track pins are precisely sized at 36.7×210MM and are designed to perfectly fit the Caterpillar E320 excavator. We also produce custom sizes and OEM parts based on customer-supplied samples or technical drawings, fitting excavators in the 20–50 ton range from various brands.
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Do you support OEM and custom orders?
Yes, we fully support OEM and custom production. Customers are welcome to provide drawings, samples, or specifications, and we will manufacture track pins and other undercarriage components to your exact requirements. Our factory has the capability to handle both small batch and large volume custom orders with consistent quality.
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How long has Quanzhou Hesen Machinery been in business, and what products do you supply?
Quanzhou Hesen Machinery Industry Co., Ltd. has been operating since 1990, with over 30 years of experience in the design, development, production, and sale of undercarriage parts. Our product range includes track rollers, carrier rollers, sprockets, idlers, track link assemblies, track shoes, bushings and pins, bucket teeth, and high-strength bolts and nuts.
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What is your delivery time and do you maintain stock?
We maintain large warehouses with ready stock of our standard undercarriage parts, which allows us to offer fast delivery for most common sizes and models. For custom or OEM orders, lead times will depend on specifications and order volume. Please contact us for a specific delivery estimate based on your requirements.
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What kind of after-sales support do you provide?
We are committed to providing reliable after-sales service and proactive communication throughout the entire purchasing process. If any quality issues arise with our products, our dedicated support team will work closely with you to resolve the problem promptly. We value long-term partnerships and strive to ensure every customer has a positive experience with our products and service.