- 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
Dozer Track Group D20 D21 D30 D31 D32 Track Link with Shoes Track Chain Assembly
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 |

Experience the epitome of engineering excellence and unmatched resilience with our superb selection of bulldozer undercarriage spare parts. Our steadfast dedication to superior quality and robust construction ensures your heavy machinery operates at peak performance, driving your projects forward with remarkable efficiency and steadfast reliability.
Important Notice: We emphasize that all manufacturer names and symbols are utilized solely for recognition purposes. This assertion does not imply any connection or authenticity with these manufacturers, reinforcing our unwavering commitment to transparency.

Established in 2013 in Quanzhou, China, Quanzhou Zhongkai Machinery (zkmparts/zkucparts) stands at the forefront of manufacturing premier undercarriage components. Our extensive product range includes track rollers, track chains, idlers, top rollers, and sprockets/segment rims, serving a wide array of machinery from nimble mini excavators to colossal mining machines, accommodating nearly all leading global brands.



Why Choose Us?
1. Embrace our unwavering 100% quality guarantee. We accommodate small and sample orders and provide flexible pricing for bulk purchases, ensuring perfect synergy with your financial aspirations and plans.
2. Leverage our vast expertise in excavators and bulldozers, with a comprehensive stock tailored to seamlessly fulfill a wide spectrum of demands.
3. Our unyielding commitment to delivering superior-quality products is reinforced by a comprehensive warranty, providing you with unparalleled peace of mind and confidence.
4. Relish our exemplary customer service, offering expert guidance and unwavering support throughout every phase of your purchasing journey.
5. Take advantage of our highly competitive pricing, offering exceptional value that simplifies the achievement of your purchasing goals.
6. Our extensive inventory ensures swift and effective solutions to cater to your immediate needs, guaranteeing smooth and uninterrupted operations.
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.




