- 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
Crawler Bulldozer Spare Parts Track Roller 9s7284 Sf/ 9s7286 Df 1p9100, 9s7388 for D7 Bottom Rollers
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 |

Introducing an exceptional collection of bulldozer undercarriage spare parts that redefine reliability and performance. Each component in our lineup is precisely crafted with meticulous attention to detail, providing unmatched efficiency and enduring longevity. Your machinery will operate at peak performance across any terrain, ensuring maximum productivity.
Please note that all manufacturer names and symbols are intended solely for reference purposes. There is no affiliation or endorsement by these manufacturers.







Since its establishment in 2013 in the dynamic industrial hub of Quanzhou, China, Quanzhou Zhongkai Machinery (zkmparts/zkucparts) has been at the forefront of innovation. We specialize in manufacturing top-tier undercarriage parts, including track rollers, chains, idlers, top rollers, and sprocket/segment rims. Our comprehensive portfolio is designed to seamlessly fit a wide array of equipment, such as excavators, bulldozers, agricultural tractors, skid steers, and crawler loaders. Catering to nearly all major global brands, we provide solutions tailored to both compact machinery and large-scale mining operations.
Our Exhibition
Why Choose Us?
1. Our unwavering commitment to 100% quality assurance ensures excellence, whether you're purchasing a small sample or negotiating a large-scale order. Our flexibility and dedication to superior quality are unmatched.
2. Benefit from our extensive expertise and vast range of products for both excavators and bulldozers. We deliver precise, custom solutions that effortlessly meet your machinery's unique specifications.
3. Our promise of superior quality is backed by a comprehensive warranty with every purchase, providing you with peace of mind and complete satisfaction.
4. Enjoy our outstanding customer service, expertly guiding you through every stage of your purchasing journey for a seamless and enjoyable experience.
5. Our competitive pricing strategies are designed to enhance the value of your investment, delivering maximum returns and unparalleled value.
6. With an extensive inventory that is readily available, we are exceptionally equipped to meet your immediate and urgent needs with unmatched efficiency and speed.
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.


