Nan'an Zhongte Engineering Machinery Factory
| Condition | New |
| Supply Ability | 10000PCS/Months |
| Color | Black And Yellow |
| Hrc | 55-60 |
| Packaging Details | Standard Export Packaging |
| Delivery Time | 7-15Days |
| Productname | Bottom Track Roller |
| Payment Terms | L/C,T/T |
| Warranty | 1 year |
| Technique | Forging, Casting, Machining |
| Model Number | 320B、320BL、320C、320CL、320D、320DL、320E、323D |
| Brand Name | ZTMC |
| Certification | ISO9001 |
| Place of Origin | CHINA |
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Product Specification
| Condition | New | Supply Ability | 10000PCS/Months |
| Color | Black And Yellow | Hrc | 55-60 |
| Packaging Details | Standard Export Packaging | Delivery Time | 7-15Days |
| Productname | Bottom Track Roller | Payment Terms | L/C,T/T |
| Warranty | 1 year | Technique | Forging, Casting, Machining |
| Model Number | 320B、320BL、320C、320CL、320D、320DL、320E、323D | Brand Name | ZTMC |
| Certification | ISO9001 | Place of Origin | CHINA |
This 8E-5034 E320 bottom track roller is a critical undercarriage lower roller designed for E320 series excavator track support and daily site operation. Different from common aftermarket track rollers that only conduct simple dimension checks, every finished roller adopts professional magnetic particle inspection (MPI) as mandatory nondestructive testing procedure.
This strict flaw detection eliminates invisible surface cracks, subsurface fatigue cracks and material micro-defects hidden inside roller bodies, ensuring long-term stable track supporting and guiding performance under continuous vibration, impact and uneven ground working conditions. As a direct undercarriage factory, we take full-process nondestructive testing to guarantee consistent and reliable long-term running stability.
| Parameter Item | Factory Standard Specification |
|---|---|
| Part Number | 8E-5034 |
| Applicable Equipment | E320 Series Excavator |
| Core Testing Standard | 100% Magnetic Particle Inspection (MPI) |
| Processing Technology | Precision Machining + Integral Heat Treatment + Nondestructive Flaw Detection |
| Surface Hardness | HRC 52-58 |
| Dimensional Tolerance | ±0.02mm |
| Core Function | Track load-bearing & stable track guiding |
| Working Scenarios | General construction, earthmoving, medium-frequency impact sites |
Most ordinary bottom rollers on the market skip professional crack detection, only relying on visual appearance check. Hidden tiny cracks generated during forging and heat treatment will gradually expand under long-term track vibration, finally causing roller breakage, track derailment and unexpected downtime.
Our 8E-5034 track roller adds full magnetic particle inspection before warehousing. This professional nondestructive testing can capture invisible surface and near-surface micro cracks that cannot be seen by naked eyes. All unqualified parts with material defects are directly scrapped, effectively avoiding sudden failure and improving overall track system operation stability.
This MPI tested E320 bottom roller is suitable for E320 series excavator undercarriage maintenance and track roller replacement. Each roller is coated with anti-rust oil individually, wrapped with waterproof film and packed with reinforced wooden cases for long-distance sea shipping.
We provide complete inspection reports for batch orders, support sample testing and bulk wholesale, supplying high-safety defect-free undercarriage parts for global engineering machinery maintenance firms and wholesalers.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2015
Total Annual:
5000000-8000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Nanan Zhongte Construction Machinery Factory is located in Quanzhou, Fujian Province, China — a city recognized by UNESCO as the starting point of the ancient Maritime Silk Road and also a vibrant metropolis with an economic output exceeding one trillion yuan. As a large enterprise specializin... Nanan Zhongte Construction Machinery Factory is located in Quanzhou, Fujian Province, China — a city recognized by UNESCO as the starting point of the ancient Maritime Silk Road and also a vibrant metropolis with an economic output exceeding one trillion yuan. As a large enterprise specializin...
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