- 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
Factory Price Mining Machinery Excavator Bottom Track Roller 9173146 Lower Track Roller 4386650 for Ex1800
product detail
Product Description
Mining Excavator EX1800 Track Roller Alternative part number:
4386650 bottom rollers
9114725 lower rollers
9173146 rodillo de oruga
A7618000M00 опорный каток
V4295201V support rollers
ZKM Parts also offers Mining Excavator EX1800 undercarriage parts repair others below:
EX1800 Track chain HT976/49 Track link, 4334483 Track chain, 9144980 enlace de pista, F7618001M00049 звено трека
EX1800 Carrier rollers 4349519 Top rollers, 9066422 Upper rollers, C7618100M00 поддерживающий ролик, C7618100N00 rodillo portador, VPI V4349519V Carrier rollers
EX1800 Sprocket 1028990 Segment group, 4451622 звездочка, 4637264 rueda de espigas, R7618000N01 Sprocket

| Material | 40mn2 |
| Finish | Smooth |
| Colors | Black, yellow, or customized |
| Technology | Forging |
| Surface Hardness | HRC55-60, deepth: 8mm-12mm |
| Warranty time | 12 Months |
| Delivery Time | 25-30 days |





Please note that all manufacturer's names and symbols used are solely for reference purposes. This does not signify any direct association with the parts listed, nor does it imply that our products are manufactured by these manufacturers.










Quanzhou Zhongkai Machinery (zkmparts/zkucparts) was founded in the vibrant city of Quanzhou, China, in 2013. Our company focuses on the production and design of premium undercarriage parts, including track rollers, track chains, idlers, top rollers, and sprockets/segment rims. We cover nearly all major global brands, from mini excavators to the largest mining machines, serving excavators, bulldozers, agricultural tractors, skid steers, and crawler loaders.
Our Exhibition
Why Choose Us?
1. We guarantee 100% quality for every product. We welcome small and sample orders, and for larger quantities, our prices are highly competitive and negotiable.
2. We specialize in a broad range of products for excavators and bulldozers, ensuring that we meet diverse needs and specifications.
3. Our unwavering commitment to quality means every product is backed by a robust warranty, providing peace of mind.
4. Experience unparalleled customer service, guiding you seamlessly throughout the entire purchasing process.
5. Enjoy competitive pricing that delivers exceptional value, helping you achieve your purchasing goals efficiently.
6. With our extensive stock availability, we address your immediate needs swiftly, ensuring no downtime in your operations.
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.


