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China Suppliers Factory Direct High-Quality 40Cr Steel Excavator CAT 320 Track Pin 36.7*210MM for E320 Machines
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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.
Professional heat treatment for excellent wear & abrasion resistance. Durable track pins in manufactured from premium 40Cr steel with excellent abrasion resistance. Precision polished, long working life, custom phosphating.
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
What material is used for this excavator track pin?
Our track pins are manufactured from high-grade 40Cr alloy steel, treated with professional heat treatment for superior core strength and excellent surface wear resistance.
Which excavator models is this track pin compatible with?
This 36.7*210MM track pin is precisely engineered for Caterpillar E320 excavators, and we also provide standard and custom pins fitting 20 to 50-ton heavy machinery.
Do you support custom sizes and OEM manufacturing?
Yes, we accept OEM orders and custom size production based on your technical drawings or physical samples to meet specific undercarriage requirements.
What is the expected service life and surface finishing?
The track pins offer an extended working life of up to 2000 hours under standard heavy-duty conditions. They feature precision polishing with optional custom phosphating for enhanced corrosion protection.
What other undercarriage parts does Quanzhou Hesen Machinery offer?
In addition to track pins and bushings, we manufacture track rollers, carrier rollers, sprockets, idlers, track link assemblies, track shoes, bucket teeth, and high-strength bolts and nuts.
How do you guarantee fast delivery and stable supply?
With over 30 years of manufacturing experience since 1990 and expansive warehouse facilities, we maintain consistent stock of standard parts to ensure factory-direct, prompt shipment for global orders.