- 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
Heavy-Duty Hot Selling Track Group /Track Chain Assy for D155 D275 D355 D375
product detail
Product Description

| Material | 40mn2, 35mnb |
| Part No. | CR4638/44/22;9W3318;8E7696 |
| 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 |

Indulge in the ultimate blend of luxury and durability with our extraordinary collection of bulldozer undercarriage spare parts. Meticulously crafted to deliver superior performance, our parts elevate your machinery's functionality, ensuring each project is executed with remarkable efficiency and steadfast reliability. Choose quality, choose resilience, and experience the zenith of operational excellence.
Important Notice: We affirm that all manufacturer names and symbols are employed solely for the purpose of identification. This declaration upholds our unwavering commitment to transparency, and in no way implies any affiliation or authenticity with the aforementioned manufacturers.

Since our inception in 2013 in the vibrant city of Quanzhou, China, Quanzhou Zhongkai Machinery Co., Ltd. (zkmparts/zkucparts) has been at the forefront of designing and manufacturing superior undercarriage components. Our esteemed product range includes track rollers, track chains, idlers, top rollers, and sprockets/segment rims, catering to an extensive variety of machinery. From nimble mini excavators to colossal mining machines, our components serve nearly all notable global brands, reinforcing our position as industry leaders.



Why Choose Us?
1. Embrace the confidence that comes with our steadfast 100% quality guarantee. We accommodate small and sample orders while offering flexible pricing for bulk purchases, ensuring our services align seamlessly with your budgetary objectives and strategic goals.
2. Leverage our profound expertise in excavators and bulldozers. Our vast inventory is strategically designed to meet an extensive range of requirements effortlessly, providing you with the parts you need, precisely when you need them.
3. Our unwavering dedication to producing superior products is fortified by a comprehensive warranty, delivering unparalleled peace of mind and assurance, so you can focus on your core operations without worry.
4. Delight in our exceptional customer service, where expert advice and unwavering support accompany you through every step of your purchasing journey, ensuring satisfaction and success.
5. Take advantage of our highly competitive pricing structure that offers remarkable value, simplifying the process of achieving your purchasing goals with ease and efficiency.
6. Our expansive inventory assures prompt and effective solutions to meet your immediate needs, facilitating smooth, continuous operations without disruption.
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.




