- 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
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- Rubber Tracks
- Bolts&Nuts
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- Cutting edges/Blades/End bits
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Quality Dozer Bottom Roller Bulldozer Parts Track Roller for Mining Earthmoving 40mn2
product detail
Product Description
| Material | 50mn, 40mn2 |
| Finish | Smooth |
| Colors | Black, yellow, or customized |
| Technology | Forging/Casting |
| Surface Hardness | HRC55-60, deepth: 8mm-12mm |
| Warranty time | 12 Months |
| Delivery Time | 25-30 days |

Embark on an exploration of our exquisite selection of bulldozer undercarriage spare parts, each crafted to ensure your machinery functions at the zenith of its capabilities. Dive into a realm of precision-engineered marvels that elevate performance to an art form.
Kindly note that all manufacturer names and symbols mentioned are used solely for reference purposes. There is no implication of formal association or endorsement by these manufacturers.







Established in the dynamic cityscape of Quanzhou, China, in 2013, Quanzhou Zhongkai Machinery (zkmparts/zkucparts) has positioned itself as a vanguard in the innovation and development of premier undercarriage components. Our expansive product range-featuring track rollers, track chains, idlers, top rollers, and sprocket/segment rims-caters to a multitude of machinery, from excavators and bulldozers to agro tractors, skid steers, and crawler loaders. Trusted by nearly every prestigious global brand, our products support machines of all sizes, from agile mini-excavators to colossal mining equipment.
Our Exhibition
Why Choose Us?
1. We are dedicated to delivering impeccable 100% quality assurance. Whether it is a modest order, a sample request, or a bulk purchase negotiation, we handle all demands with unparalleled adaptability.
2. Specializing in a vast range of products for excavators and bulldozers, we design solutions with meticulous precision to cater to your machinery's specific requirements.
3. Our steadfast commitment to extraordinary quality is reinforced by a robust warranty, offering you peace of mind with every purchase.
4. Discover our exceptional customer service, expertly guiding you through each stage of your purchasing journey.
5. Benefit from our competitive pricing strategy, crafted to enhance the value of your investment goals.
6. With substantial stock readily available, we are poised to meet your immediate and urgent needs with unparalleled efficiency.
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 itself. Or measure the parts give us dimension or drawing.
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.


