- Dozer Undercarriage Parts
- Excavator Undercarriage Parts
- Mini Excavator Undercarriage Parts
- Skid Steer Undercarriage Parts
- Crawler Crane Undercarriage Parts
- Morooka Undercarriage Parts
- Crawler Loader Undercarriage Parts
- Sugar cane Harvester Undercarriage Parts
- Agricultural Tractor Undercarriage Parts
- Rubber Tracks
- Bolts&Nuts
- Ground Engaging Tools
- Cutting edges/Blades/End bits
- Hydraulic Cylinders
- Bucket Linkages
- Swing Bearing/Slewing Bearings
- Hydraulic Parts
- Attachments
- Other parts
- Tools
Factory Digger Track Chain Track Link for Earthmoving Mining Excavator Ex55 40L
product detail
Product Description
| Material | 40mn2, 35mnb |
| Finish | Smooth |
| Colors | Black, yellow, or customized |
| Technology | Forging |
| Surface Hardness | HRC55-60, deepth: 8mm-12mm |
| Warranty time | 12 Months |
| Delivery Time | 25-30 days |

We proudly offer a comprehensive range of bulldozer undercarriage spare parts, ensuring top-tier quality and reliability for your heavy machinery.
Please note: all manufacturer names and symbols mentioned are solely for reference purposes. This does not signify that any part listed is an original product from these manufacturers.






Quanzhou Zhongkai Machinery (zkmparts/zkucparts), founded in Quanzhou, China in 2013, excels in the design and production of superior-quality undercarriage parts including track rollers, track chains, idlers, top rollers, and sprockets/segment rims. We cater to a vast array of equipment from mini excavators to the largest mining machines, covering nearly all major global brands.
Our Exhibition
Why Choose Us?
1. Enjoy 100% guaranteed quality. We welcome small and sample orders, and for larger quantities, pricing is negotiable to meet your budget.
2. Expertise in excavators and bulldozers with a broad spectrum of available products to suit diverse needs.
3. Our unwavering commitment to high-quality products is supported by a robust warranty, ensuring peace of mind.
4. Benefit from our industry-leading customer service that supports you throughout the entire purchasing journey.
5. We offer competitive pricing that provides exceptional value, ensuring you hit your purchasing targets effectively.
6. Our extensive stock availability ensures we can meet your immediate needs swiftly and efficiently.
How could I ensure the part would fit my machinery?
Pls send us the correct model number/machine serial number/ any numbers on the parts themselves. Or measure the parts give us dimensions or drawings.
What is the payment term?
Generally, 30% deposit T/T in advance, and the balance before the shipment.
What is the lead time?
FOB Xiamen or any Chinese port: 25-30 days. If there are any parts in stock, our delivery time is only 0-7 days.
What kind of package do you offer?
Normally we use the export standard wood pallets. If any special requirements, we can discuss them.
What about Quality Control?
We have a perfect system for checking the quality of our products. Our team checks the products and the way they are made very carefully. They do this at every stage of the production process. This makes sure that the products are safe when they are put in the container.


