- 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
SD22 Bulldozer Track Lower Roller 150-30-25115 China Earth Moving Equipment Track Roller for Crawler Parts
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 our exceptional range of bulldozer undercarriage spare parts, meticulously crafted to amplify the reliability and performance of your machinery. Each component is engineered with the utmost precision, delivering unparalleled efficiency and extended longevity.
Please note that all manufacturer names and symbols are utilized solely for reference purposes and do not indicate any affiliation or endorsement by these manufacturers.







Quanzhou Zhongkai Machinery (zkmparts/zkucparts), established in the vibrant industrial hub of Quanzhou, China in 2013, is a leading innovator and producer of premium-quality undercarriage parts. Our extensive portfolio, which includes track rollers, chains, idlers, top rollers, and sprocket/segment rims, is designed to be compatible with a wide array of equipment such as excavators, bulldozers, agricultural tractors, skid steers, and crawler loaders. Our commitment is to serve nearly every major global brand, delivering products that cater to both compact machinery and expansive mining operations.
Our Exhibition
Why Choose Us?
1. Our unwavering commitment to 100% quality assurance ensures that whether you are ordering a small sample or negotiating a large-scale purchase, our flexibility and dedication to excellence remain unparalleled.
2. Our extensive expertise spans a comprehensive range of products for excavators and bulldozers, providing precise, tailored solutions to meet the unique specifications of your machinery.
3. Rest assured with our guarantee of superior quality, backed by a robust warranty with every purchase, offering complete peace of mind.
4. Experience our exceptional customer service, expertly guiding you through every step of your purchasing journey.
5. Our competitive pricing strategies are crafted to maximize the value of your investment, delivering the best possible returns.
6. With an extensive inventory readily available, we are perfectly equipped to meet your immediate and urgent demands with unmatched 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.


