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 |
| Material | 40Mn,40SiMnTi,50Mn/40MnB,steel,50Mn/40SiMnTi |
| Color | black,Yellow |
| Warranty | 1 Year2000 hour |
| Technique | Forging |
| Application | Excavator,undercarriage parts For Carrier Roller |
| Brand Name | ZTMC |
| Model Number | DX220LC-9 DX225LC-9 DX200A DX200LC DX225LCA DX260LCA |
| 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 |
| Material | 40Mn,40SiMnTi,50Mn/40MnB,steel,50Mn/40SiMnTi | Color | black,Yellow |
| Warranty | 1 Year2000 hour | Technique | Forging |
| Application | Excavator,undercarriage parts For Carrier Roller | Brand Name | ZTMC |
| Model Number | DX220LC-9 DX225LC-9 DX200A DX200LC DX225LCA DX260LCA | Certification | ISO9001 |
| Place of Origin | CHINA |
This top roller is a 1:1 OEM replacement component for the listed Doosan excavator models, with standard part number 200105-00025. It fully conforms to original installation dimensions and requires no on-site rework. Designed for long-term heavy-duty operation, it adapts to various complex construction working conditions.
| Item | Specification |
|---|---|
| OEM Part Number | 200105-00025 |
| Applicable Models | DX220LC-9, DX225LC-9, DX200A, DX200LC, DX225LCA, DX260LCA |
| Machining Tolerance | ±0.01mm CNC precision processing |
| Heat Treatment | Integral quenching + stress relief tempering |
| Working Scenarios | Quarry, muddy site, road renovation, rough earthmoving terrain |
| Installation | Direct OEM replacement, no secondary processing |
Suited for sites with frequent impact, muddy water and abrasive gravel. Under long-term friction, erosion and load impact, ordinary rollers tend to appear track sagging, abnormal vibration, shaft jamming and seal leakage. This part is engineered to resist such common operating issues.
Adopt integrated forging blanks for production. Quenching enhances surface hardness to withstand abrasive wear. Tempering removes internal structural stress and prevents shell cracking under continuous impact. All shafts, mounting holes and fitting surfaces are processed by CNC equipment, with machining error controlled within 0.01mm to match OEM standards.
A machinery maintenance firm with multiple Doosan fleets once used generic rollers, which failed after 700-850 working hours. After switching to our OEM-spec top rollers, all units run stably for more than 1800 working hours, lowering annual undercarriage maintenance costs by 34%.
Yes. Part No. 200105-00025 is universally compatible with DX220LC-9, DX225LC-9, DX200A, DX200LC, DX225LCA and DX260LCA, no adjustment needed.
Generic products usually skip tempering and have tolerance above 0.05mm. Complete dual heat treatment and 0.01mm high precision ensure stable performance in harsh conditions.
Yes. Heat treatment and dimensional inspection reports can be provided together with bulk shipments.
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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