Xiamen Doozer Construction Machinery Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 10000/1piece |
| Delivery Time | 10-15 work days |
| Packaging Details | wooden case |
| Load Capacity | 50kg |
| Weight | 10kg |
| Capacity | 3CUM |
| Warranty Time | 2000hours |
| Width | customized |
| Color | Black |
| Compatibility | Fits Doosan Brands |
| Size | Standard |
| Installation | Easy To Install |
| Installation Method | Bolt-on |
| Oem Service | Available |
| Surface Treatment | Heat Treatment |
| Function | Support And Guide The Track Chain |
| Noise Reduction | Low |
| Material | Steel |
| Brand Name | DOOZER |
| Model Number | DX140W |
| Certification | ISO9001-2002 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 10000/1piece |
| Delivery Time | 10-15 work days | Packaging Details | wooden case |
| Load Capacity | 50kg | Weight | 10kg |
| Capacity | 3CUM | Warranty Time | 2000hours |
| Width | customized | Color | Black |
| Compatibility | Fits Doosan Brands | Size | Standard |
| Installation | Easy To Install | Installation Method | Bolt-on |
| Oem Service | Available | Surface Treatment | Heat Treatment |
| Function | Support And Guide The Track Chain | Noise Reduction | Low |
| Material | Steel | Brand Name | DOOZER |
| Model Number | DX140W | Certification | ISO9001-2002 |
| Place of Origin | China |
High Strength Carrier Roller Upper Roller Excavator Spare Parts For Doosan DX140W Construction Machinery Parts
OVERVIEW
Replace worn or failed upper rollers with this precision-engineered carrier roller designed exclusively for the Doosan DX140W wheeled excavator. Manufactured from forged, heat-treated 40Mn2 steel and reinforced with lifetime-lubricated seals, this part delivers maximum track stability and extended service life in the toughest construction environments.
Product parameters
| Material | 50Mn/40Mn2 |
| Finish | Smooth |
| Colors | Black or yellow |
| Technique | Forging casting |
| Surface Hardness | HRC50-55 |
| Certification | ISO9001:2008ISO14001:2004GB/T28001:2001 |
| Type | Undercarriage parts track roller |
| MOQ | 100 piece |
| Delivery Time | Within 30 days after contract established |
FEATURES & BENEFITS
Extreme Durability: Forged alloy steel and deep-hardened tread resist bending, cracking, and spalling under heavy dynamic loads.
Dust & Water Protection: Triple-lip floating seals prevent abrasive intrusion, minimizing oil loss and downtime.
Precision Fit: CNC-machined mounting brackets ensure drop-in installation—no field modifications required.
Extended Service Intervals: High-temperature grease maintains lubrication from –20 °C to 120 °C, cutting maintenance costs up to 30 %.
Field-Tested Reliability: Successfully validated on DX140W units operating 2,000+ hours in quarry and road-building applications.
INSTALLATION & MAINTENANCE
Raise track frame and secure machine on approved stands.
Remove retaining bolts and slide out old roller.
Position new carrier roller; torque bolts to 280 N·m.
Rotate track by hand to verify smooth motion; check for leaks after first 10 operating hours.
WARRANTY & SUPPORT
Backed by a 12-month unlimited-hour warranty. In-stock inventory ships within 24 hours worldwide. Contact our parts specialists for technical drawings, bulk pricing, or expedited delivery.
Detailed photos
Company Details
Business Type:
Manufacturer,Trading Company,Seller
Year Established:
2007
Total Annual:
10000000-50000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Xiamen Doozer Industries Co., Ltd. is a trustworthy manufacturer and exporter of high-quality undercarriage parts for excavators and bulldozers in China. With over 18 years of experience, our brand DZR has become synonymous with superior quality and excellent service. We believe that ou... Xiamen Doozer Industries Co., Ltd. is a trustworthy manufacturer and exporter of high-quality undercarriage parts for excavators and bulldozers in China. With over 18 years of experience, our brand DZR has become synonymous with superior quality and excellent service. We believe that ou...
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