Quanzhou Mingzhu Technology Development Co., Ltd
| Delivery Time | 3-5 days |
| Color | Black |
| Product Name | Carrier Roller, Top Roller |
| Technique | Forging & Casting |
| Surface Hardness | HRC 54–58 |
| Packaging Details | Export pallet packaging |
| Supply Ability | 1500 MT/month |
| Type | Excavator |
| Material | 50Mn/40CrMn |
| Model Number | E320 |
| Place of Origin | Fujian China |
| Brand Name | STST |
| Certification | CE、CNAS、COC、SGS、ISO |
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Product Specification
| Delivery Time | 3-5 days | Color | Black |
| Product Name | Carrier Roller, Top Roller | Technique | Forging & Casting |
| Surface Hardness | HRC 54–58 | Packaging Details | Export pallet packaging |
| Supply Ability | 1500 MT/month | Type | Excavator |
| Material | 50Mn/40CrMn | Model Number | E320 |
| Place of Origin | Fujian China | Brand Name | STST |
| Certification | CE、CNAS、COC、SGS、ISO | ||
| High Light | 227-1212 excavator undercarriage ，e320 undercarriage roller ，e320 excavator undercarriage | ||
The E320 Excavator Undercarriage Roller is engineered to deliver reliable performance, superior wear resistance, and extended service life for CAT excavators. Compatible with part numbers 118-3133, 163-4875, and 227-1212, this roller is manufactured to meet demanding industry standards and provide stable support for the undercarriage system.
The roller shell is heat-treated to achieve optimal hardness, helping reduce wear caused by constant contact with track links and harsh terrain.
Manufactured from premium alloy steel, the roller offers excellent structural strength and durability under heavy-duty working conditions.
Precision-machined components ensure smooth roller rotation, reducing vibration and contributing to efficient track movement.
Advanced sealing technology protects internal components from dust, water, mud, and debris while maintaining long-term lubrication.
Designed to reduce stress on track chains and other undercarriage components, helping lower maintenance costs and improve equipment uptime.
| Item | Description |
|---|---|
| Product Name | Excavator Undercarriage Roller |
| Machine Model | CAT E320 |
| Part Numbers | 118-3133, 163-4875, 227-1212 |
| Product Type | Carrier Roller / Top Roller |
| Material | High-Strength Alloy Steel |
| Heat Treatment | Induction Hardened |
| Sealing System | Heavy-Duty Floating Seal |
| Application | Excavator Undercarriage System |
| Condition | New |
| OEM Service | Available |
This E320 undercarriage roller is suitable for a variety of demanding applications:
Its durable design ensures reliable performance in muddy, rocky, sandy, and abrasive environments.
To ensure consistent quality and performance, each roller undergoes:
This comprehensive process helps guarantee durability, reliability, and long service life.
This roller is designed for CAT E320 excavators. For compatibility with additional models, please provide your machine model or part number.
Yes. The roller is factory-assembled with a sealed lubrication system to provide reliable long-term operation.
Heat treatment improves hardness, wear resistance, and structural durability, helping extend service life under heavy workloads.
E320 Excavator Undercarriage Roller, 118-3133 Excavator Undercarriage Roller,163-4875 Excavator Undercarriage Roller, 227-1212 Excavator Undercarriage Roller, Excavator Undercarriage Roller For CAT
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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