Quanzhou Mingzhu Technology Development Co., Ltd
| Flange Type | Single Flange / Double Flange (customizable) |
| Supply Ability | 1500 MT/month |
| Applicable Excavator Model | EC55 / EC55B / EC55C / ECR58 |
| Material | 50MnB / 40MnB / 50Mn Alloy Steel |
| Payment Terms | T/T |
| Delivery Time | 3-5 days |
| Surface Hardness | HRC 48–62 |
| Product Name | Excavator Track Roller |
| Packaging Details | Export pallet packaging |
| Single Net Weight | 13–15 kg/pc |
| Place of Origin | Fujian China |
| Brand Name | STST |
| Model Number | EC55 |
| Certification | CE、CNAS、COC、SGS、ISO |
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Product Specification
| Flange Type | Single Flange / Double Flange (customizable) | Supply Ability | 1500 MT/month |
| Applicable Excavator Model | EC55 / EC55B / EC55C / ECR58 | Material | 50MnB / 40MnB / 50Mn Alloy Steel |
| Payment Terms | T/T | Delivery Time | 3-5 days |
| Surface Hardness | HRC 48–62 | Product Name | Excavator Track Roller |
| Packaging Details | Export pallet packaging | Single Net Weight | 13–15 kg/pc |
| Place of Origin | Fujian China | Brand Name | STST |
| Model Number | EC55 | Certification | CE、CNAS、COC、SGS、ISO |
| High Light | excavator track roller ec55 ，ec55 excavator undercarriage parts ，ec55b excavator track roller | ||
The EC55 Track Roller is a high-performance undercarriage component designed for excavators operating in demanding construction, mining, roadwork, and earthmoving environments. Manufactured from premium alloy steel and subjected to advanced heat treatment processes, this track roller delivers superior wear resistance, exceptional load-bearing capacity, and extended service life.
Engineered to meet or exceed OEM specifications, the EC55 bottom roller ensures smooth track operation, reduced maintenance requirements, and improved machine productivity. It is an ideal replacement solution for worn or damaged undercarriage parts.
The roller shell is manufactured from high-quality alloy steel and undergoes precision heat treatment to enhance hardness and resistance to abrasion, ensuring reliable performance under harsh working conditions.
Designed for maximum durability, the EC55 track roller minimizes wear and extends the lifespan of the entire undercarriage system, reducing replacement frequency and operating costs.
Engineered to withstand heavy loads and continuous operation, providing stable support for the excavator during demanding applications.
Advanced machining technology ensures accurate dimensions, perfect fitment, and smooth interaction with track chains, reducing friction and premature wear.
Equipped with high-quality seals to prevent lubricant leakage and block contaminants such as dust, mud, and water from entering the internal components.
Manufactured according to OEM standards for easy installation and dependable performance without modifications.
The EC55 Track Roller is suitable for various operating conditions, including:
Product Name | EC55 Track Roller |
| Equipment Type | Excavator |
| Part Category | Undercarriage Parts |
| Material | High-Strength Alloy Steel |
| Surface Treatment | Heat Treatment |
| Feature | Superior Wear Resistance |
| Performance | Long Service Life |
| Installation | Direct OEM Replacement |
| Condition | New |
Every EC55 Track Roller undergoes strict quality inspections throughout the manufacturing process, including:
This ensures every product delivered meets international quality standards and customer expectations.
A track roller supports the weight of the excavator and guides the track chain, ensuring smooth movement and stable machine operation.
Common signs include excessive wear, oil leakage, abnormal noise, uneven track movement, and visible damage to the roller shell.
Yes. It is manufactured according to OEM standards to ensure proper fit, performance, and reliability.
EC55 Track Roller, Track Roller, Excavator Undercarriage Parts Track Roller, Superior Wear Resistance Track Roller, Long Service Life Track Roller
Company Details
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
8000000-12000000
Employee Number:
67~120
Ecer Certification：
Verified Supplier
Quanzhou Mingzhu Technology Development Co., Ltd Quanzhou Mingzhu Technology Development Co., Ltd
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