An excavator sprocket is a critical component of the crawler undercarriage system. It transfers driving force from the final drive motor to the track chain, allowing the machine to move smoothly across different working surfaces. During operation, the sprocket teeth continuously engage with the track chain bushings, making the component subject to friction, impact, and heavy loads.
For construction contractors, mining companies, and excavator parts distributors, choosing a reliable excavator sprocket manufacturer is essential. Poor-quality sprockets can cause uneven track chain wear, excessive vibration, premature component failure, and unexpected equipment downtime.
Xiamen Doozer specializes in excavator and bulldozer undercarriage parts, providing durable replacement sprockets designed for demanding working conditions. With 20 years of manufacturing experience, we focus on product quality, accurate fitment, and competitive factory prices to support customers in global markets.
High-Quality Materials for Better Wear Resistance
Material selection plays an important role in determining the performance and service life of an excavator drive sprocket. Since sprocket teeth experience repeated contact with track chain bushings, the material must provide a suitable balance of strength, toughness, and wear resistance.
Xiamen Doozer pays close attention to raw material selection and manufacturing processes to help ensure consistent product performance.
Our sprocket products are designed to withstand demanding operating environments, including construction sites, quarries, and mining applications. Appropriate material properties help reduce the risk of premature tooth wear and structural damage under normal working conditions.
Combined with professional heat treatment, the sprocket teeth are engineered to maintain their working profile and provide dependable engagement with the track chain.
Professional Heat Treatment and Manufacturing Quality
Heat treatment is another important factor affecting excavator sprocket durability. A properly treated sprocket needs sufficient surface hardness to resist friction while maintaining adequate toughness to withstand operational impacts.
Xiamen Doozer uses professional heat treatment processes to improve the wear resistance and durability of its undercarriage components.
Our sprocket products feature a tooth surface hardness specification of HRC 52–58, depending on the applicable product requirements. This treatment helps improve resistance to abrasive wear during continuous engagement with the track chain.
Dimensional accuracy is equally important. Proper tooth profiles, mounting dimensions, and bolt-hole positioning help ensure compatibility with the corresponding final drive and track chain assembly.
Before shipment, products undergo quality inspections to help maintain consistent manufacturing standards. Our ISO 9001 quality management system supports quality control throughout production and inspection.
Reliable Excavator Sprockets for Multiple Machine Brands
Different excavator manufacturers use different undercarriage configurations. Even machines within the same brand may require different sprocket dimensions depending on their model and operating specifications.
Xiamen Doozer supplies excavator sprockets compatible with a wide range of major construction machinery brands, including:
Whether customers need replacement sprockets for standard excavators or components for heavy-duty applications, we help identify suitable products according to machine models and OEM part numbers.
For accurate product selection, buyers can provide their machine model, OEM number, or existing sprocket specifications. This helps our team check the required dimensions and compatibility before confirming an order.
Factory Prices and Flexible Supply Solutions
For excavator parts wholesalers, distributors, and equipment maintenance businesses, purchasing costs and supply reliability directly affect profitability.
As a manufacturer, Xiamen Doozer focuses on providing competitive factory prices while maintaining consistent product quality. Customers can source different undercarriage components from one supplier, making procurement more convenient.
Our product range includes:
We support mixed orders and flexible purchasing quantities, helping international buyers combine different products according to their market requirements.
Standard products in stock can generally be arranged for shipment within 3 days, while customized or production orders typically require around 30 days, depending on product specifications and order quantities.
Pre-shipment quality inspections are also arranged to help ensure that products meet the agreed requirements before delivery.

Why Choose Xiamen Doozer for Excavator Sprockets?
Selecting the right excavator sprocket supplier means looking beyond the purchase price. Material quality, manufacturing experience, machine compatibility, and delivery arrangements all influence long-term purchasing value.
Xiamen Doozer combines 20 years of manufacturing experience with professional production processes and quality management to serve international construction machinery parts buyers.
Our key advantages include:
Whether you are an excavator parts wholesaler, distributor, or machinery maintenance company, Xiamen Doozer is ready to support your undercarriage parts purchasing needs.
Contact Xiamen Doozer today! Send us your excavator model, OEM part number, or parts list. Our team will help you check product compatibility and provide a competitive quotation for your excavator sprocket requirements.
| No. | Brand | Machine Model | OEM Part Number |
|---|---|---|---|
| 1 | Komatsu | PC120-5 | 203-27-61310 |
| 2 | Komatsu | PC200-5 | 20Y-27-11581 |
| 3 | Komatsu | PC300-6 | 207-27-61210 |
| 4 | Hitachi | ZX120-1/3 | 1010325 |
| 5 | Hitachi | ZX200 | 1018740 |
| 6 | Hitachi | ZX330 | 1022168 |
| 7 | Hyundai | R360-3 | 81EH-10010 |
| 8 | Hyundai | R420LC | 81E7-2001 |
| 9 | Hyundai | R450-3 | 84E7-00010 |
There is no more.
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