- 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
Forged Dozer Undercarriage Parts for D4 D5 D6 D8n D9n D10 Track Chain Assy Bulldozer Track Chains Track Chain Link Track Group Link Assembly
product detail
Product Description

| Material | 40mn2, 35mnb |
| Part No. | CR4638/44/22;9W3318;8E7696,M01061H2M39560 |
| 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 |

Step into the realm of extraordinary sophistication and unrivaled durability with our exceptional collection of bulldozer undercarriage spare parts. Our unwavering commitment to quality and strength guarantees your heavy machinery will operate at its peak, empowering your projects with unmatched efficiency and steadfast dependability that truly stands the test of time.
Important Notice: We affirm that the use of manufacturer names and symbols is solely for identification purposes. This statement upholds our commitment to transparency, without implying any affiliation or authenticity with these manufacturers, ensuring clarity and integrity in all communications. We prioritize honesty and openness in every interaction.

Since our inception in 2013 in Quanzhou, China, Quanzhou Zhongkai Machinery (zkmparts/zkucparts) has been forging a path of excellence in crafting superior undercarriage components. Our extensive range includes track rollers, track chains, idlers, top rollers, and sprockets/segment rims, catering to a wide array of machinery from nimble mini excavators to colossal mining machines. We proudly support nearly all major global brands, reinforcing our esteemed position as industry leaders.



Why Choose Us?
1. Embrace our absolute 100% quality guarantee. We accommodate small and sample orders, offering flexible pricing for bulk purchases perfectly aligned with your financial goals and strategic plans, ensuring a seamless procurement experience that meets your every requirement.
2. Leverage our extensive expertise in excavators and bulldozers. Our comprehensive stock is meticulously crafted to meet a broad spectrum of requirements with ease and precision, delivering solutions tailored to your exact needs, ensuring unmatched satisfaction and performance.
3. Our unwavering dedication to crafting premium quality products is fortified by an all-encompassing warranty, providing unparalleled peace of mind and assurance. Rest easy knowing your investment is secure and your operations remain uninterrupted.
4. Revel in our exceptional customer service, offering expert guidance and steadfast support throughout every phase of your purchasing journey. Enjoy a seamless and fulfilling experience from start to finish, knowing we are here every step of the way.
5. Reap the benefits of our highly competitive pricing, offering remarkable value that simplifies the achievement of your procurement objectives. We make superior quality more accessible than ever, helping you reach your goals with ease.
6. Our vast inventory ensures swift and effective solutions to satisfy your immediate needs, enabling smooth and continuous operations. Stay ahead in your industry without disruption, knowing we are here to support your success at every turn.
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.




