High-Quality 40Cr Steel Excavator Track Pin 36.7*210MM from China Suppliers | Factory Direct Supply for E320

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.

• Q What material is the excavator track pin made from?
  The track pin is manufactured from high-strength 40Cr steel with professional heat treatment, providing excellent wear resistance, abrasion resistance, and a service life of up to 2000 hours under heavy-duty operating conditions.
• Q What is the standard size of this track pin, and which excavator does it fit?
  The standard size is 36.7×210MM, designed as a precise fit for the Caterpillar E320 excavator. It is also suitable for other 20–50 ton excavator models. Custom sizes are available based on your samples or technical drawings.
• Q Do you support OEM orders and custom specifications?
  Yes, we fully support OEM production and custom orders. You can provide samples, drawings, or dimensional specifications, and our engineering team will produce track pins to your exact requirements with factory-direct quality assurance.
• Q How long has Quanzhou Hesen Machinery been in the industry?
  Quanzhou Hesen Machinery Industry Co., Ltd. has been operating since 1990, accumulating over 30 years of experience in the design, development, production, and sale of undercarriage parts for heavy machinery worldwide.
• Q What other undercarriage parts does Hesen Machinery supply?
  In addition to track pins and bushings, we supply a full range of undercarriage components including track rollers, carrier rollers, sprockets, idlers, track link assemblies, track shoes, bucket teeth, and high-strength bolts and nuts.
• Q What is the delivery time and after-sales support policy?
  We maintain large warehouses to ensure fast delivery for standard orders. For custom or OEM orders, lead times will be confirmed upon order placement. Our dedicated after-sales team provides proactive communication and reliable support to ensure your complete satisfaction.