Nan'an Zhongte Engineering Machinery Factory
| Payment Terms | T/T,L/C |
| Supply Ability | 10000PCS/Months |
| Delivery Time | 7-15Days |
| Packaging Details | Standard Export Packaging |
| Color | Black And Yelllow |
| Trademark | OEM |
| Wheel Body | 50Mn |
| Technique | Forging Casting |
| Hardness Depth | 8-12mm |
| Axle | 45#Round Steel |
| Key Word | Excavator Top Roller |
| Condition | New |
| Machinery Test Report | Provided |
| Brand Name | ZTMC |
| Model Number | DX200A/DX200LC |
| Certification | ISO9001 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T,L/C | Supply Ability | 10000PCS/Months |
| Delivery Time | 7-15Days | Packaging Details | Standard Export Packaging |
| Color | Black And Yelllow | Trademark | OEM |
| Wheel Body | 50Mn | Technique | Forging Casting |
| Hardness Depth | 8-12mm | Axle | 45#Round Steel |
| Key Word | Excavator Top Roller | Condition | New |
| Machinery Test Report | Provided | Brand Name | ZTMC |
| Model Number | DX200A/DX200LC | Certification | ISO9001 |
| Place of Origin | CHINA |
This top roller is a standard OEM replacement part for Doosan DX200A and DX200LC excavators, marked with part number 200105-00025. It matches original installation sizes completely and requires no secondary processing during assembly. The component is manufactured to adapt to long-term heavy-duty operation and common onsite working conditions.
| Item | Specification |
|---|---|
| OEM Part Number | 200105-00025 |
| Applicable Models | Doosan DX200A / DX200LC |
| Machining Tolerance | ±0.01mm CNC precision processing |
| Heat Treatment | Integral quenching + stress relief tempering |
| Application Sites | Quarry, muddy construction site, road work, rough terrain |
| Installation | 1:1 OEM direct replacement |
This roller is suitable for sites with heavy load, muddy water, gravel, and frequent impact. Long-term friction from abrasive particles, water erosion, and continuous impact can cause ordinary rollers to develop track sagging, abnormal vibration, shaft jamming, and seal leakage.
All products use integrated forging blanks. Quenching improves surface hardness for anti-wear performance. Tempering eliminates internal stress to prevent shell cracking under repeated impact. Key assembly surfaces, holes, and shafts are finished by CNC machines, with machining error kept within 0.01mm, consistent with OEM standards.
A local machinery service company uses a fleet of Doosan DX200A and DX200LC excavators. Conventional aftermarket rollers failed within 700 to 820 working hours. After switching to our products, the rollers operate stably for over 1800 working hours, cutting annual maintenance costs by 34%.
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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