- 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
Lower Roller Bulldozer Excavator Parts Track Roller for Heavy Duty Dozer Lower Roller
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 |

We are thrilled to present a complete and unparalleled range of bulldozer undercarriage spare parts, meticulously designed to ensure every component of your machinery functions at its best. Our offerings are synonymous with durability and precision, empowering seamless operations even in the most challenging and demanding environments.
Please take note, all manufacturer names and symbols are provided solely for reference purposes; we make no claims of association or endorsement by these manufacturers. This approach ensures clear communication and upholds the integrity of our diverse and high-quality offerings.







Quanzhou Zhongkai Machinery (zkmparts/zkucparts), founded in 2013 in Quanzhou, China, stands at the forefront of crafting and innovating superior quality undercarriage parts. Our extensive product range, featuring track rollers, track chains, idlers, top rollers, and sprocket/segment rims, is expertly engineered to fit a wide array of equipment including excavators, bulldozers, agro tractors, skid steers, and crawler loaders. We proudly cater to nearly every major global brand, delivering from compact mini-excavators to colossal mining machines, ensuring reliability and excellence in every product.
Our Exhibition
Why Choose Us?
1. We assure 100% quality. Be it a small or sample order or the negotiation of prices for bulk quantities, we offer flexibility and commitment to superior product standards, ensuring the satisfaction of every request.
2. With our specialization in a vast array of products for excavators and bulldozers, we offer bespoke solutions tailored meticulously to meet your machinery's specific needs, ensuring optimal performance and extended longevity.
3. Our promise of unmatched quality is backed by a comprehensive warranty. This pledge ensures peace of mind with every purchase, safeguarding your investment with reliable assurance you can trust.
4. Experience our industry-leading customer service, dedicated to providing seamless guidance throughout your buying journey, with expert assistance available at every step to ensure a smooth experience.
5. Enjoy highly competitive pricing that guarantees maximum value for your investment objectives, striking a perfect balance between affordability and top-tier quality.
6. With an extensive stock readily available, we are prepared to meet your immediate and urgent needs efficiently, ensuring you never experience downtime due to delays.
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.


