- 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
Track Roller Bulldozer Undercarriage Parts 131-30-00345 131-30-00344 Lower Roller for Mining and Earthmoving
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 |

Delve into our exquisite array of bulldozer undercarriage spare parts, brilliantly engineered to ensure that every vital element of your machinery functions with supreme efficiency and optimal performance.
Please note that all manufacturer names and symbols are used strictly for reference purposes. We do not claim any partnership or endorsement from these manufacturers.







Quanzhou Zhongkai Machinery (zkmparts/zkucparts), founded in 2013 in the dynamic city of Quanzhou, China, excels in the craftsmanship and innovation of superior undercarriage parts. Our extensive product range, featuring track rollers, track chains, idlers, top rollers, and sprocket/segment rims, is tailored to fit an array of machines: excavators, bulldozers, agro tractors, skid steers, and crawler loaders. We proudly support nearly all leading global brands, providing products that cater to everything from compact mini-excavators to powerful mining machines.
Our Exhibition
Why Choose Us?
1. We are steadfast in our commitment to delivering 100% quality. Whether handling a small sample order or negotiating bulk purchase terms, we demonstrate unmatched flexibility to cater to your needs.
2. Our expertise spans a wide range of products for excavators and bulldozers, enabling us to provide precise solutions perfectly aligned with your machinery's specific requirements.
3. Our promise of superior quality is reinforced by a comprehensive warranty, instilling confidence and peace of mind with every purchase.
4. Experience the benefit of our premier customer service, expertly guiding you through each phase of your purchasing journey.
5. Take advantage of our competitive pricing strategies that enhance the value of your investment to the fullest.
6. With an expansive inventory readily available, we are strategically equipped to promptly meet your immediate and urgent needs with exceptional 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.


