- 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
D475A-1, D475A-2, D475A-3, D475A-5 Track Roller Crawler Bulldozer Undercarriage Parts Bottom 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 an outstanding collection of bulldozer undercarriage spare parts, expertly crafted to ensure every crucial element of your equipment operates with exceptional efficiency and peak performance.
Kindly note, all manufacturer names and symbols are utilized solely for reference, without any suggestion of association or endorsement from these manufacturers.







Quanzhou Zhongkai Machinery (zkmparts/zkucparts), founded in 2013 in the vibrant city of Quanzhou, China, specializes in the skillful creation and innovation of high-quality undercarriage parts. Our comprehensive product lineup, including track rollers, track chains, idlers, top rollers, and sprocket/segment rims, is tailored to support a vast array of machinery: excavators, bulldozers, agricultural tractors, skid steers, and crawler loaders. We proudly deliver components for nearly every leading global brand, ranging from compact mini-excavators to powerful mining machines.
Our Exhibition
Why Choose Us?
1. We are dedicated to a relentless pursuit of 100% quality. Whether you're dealing with a small sample order or considering terms for large-scale purchases, our flexibility is unmatched in catering to your specific needs.
2. Our vast expertise spans a wide range of products for excavators and bulldozers, ensuring we offer precise solutions customized to meet your machinery's exact needs.
3. Relax with our promise of superior quality, ensured by a comprehensive warranty accompanying each purchase.
4. Benefit from our elite customer service, expertly assisting you throughout every phase of your purchasing journey.
5. Leverage our competitive pricing strategies to maximize the value of your investment.
6. With an extensive inventory readily available, we are strategically positioned to efficiently meet your immediate and urgent needs.
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.


