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ApplicationOur products consist of undercarriage parts for bulldozer and excavator such as Track link,Track roller,Carrier roller,Sprocket,ldler,Track shoe,Cutting edge,End bit,Tooth Bucket,Track pin,Track bush, Engine parts,Track boit&nuts.U-bolt,Centre bolt,Wheel bolt and other related parts.
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About UsFujian Yongsheng Machinery Parts Co., Ltd. is located in Quanzhou City, Fujian Province, which is one of the most developed regions of China Machinery Manufacturing.The company was established in 2003, after approximately 10years' effort, and now it is one of the leading construction machinery parts auto parts manufacturers in CHINA.
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BlogSuppliers who pass Quality ManagementSystem Certification, and have onsitematerials or finished products inspected,as certified by independent third parties.
High-Performance Excavator Track Roller / Bottom Roller for Heavy Machinery Undercarriage Tired of frequent downtime caused by short-lived undercarriage parts? YSM's premium forged track rollers are engineered for the harshest mining and construction environments, delivering unmatched durability and lowering your operating costs. Key Highlights: • Premium Material: Made of 40Mn2 original steel for superior forging density. • Advanced Heat Treatment: Surface hardness reaches HRC 50-55 for maximum wear resistance. • Precision Welding: Utilizes imported Japanese friction welding technology to ensure perfect balance. • Heavy-Duty Bushing: Sourced from top-tier domestic COB copper for extended service life. • Reliable Warranty: Guaranteed minimum usage time of 2000 hours with a 1-year full warranty. • OEM & Custom Service: ITR standard contract manufacturing experience; custom production available based on your drawings.
Heavy Duty Forged Bulldozer Track Roller / Bottom Roller for Komatsu D155 Series Looking for high-durability undercarriage parts for your Komatsu or Shantui D155 bulldozers? YSM's premium forged track rollers are engineered specifically to withstand severe impact and high-abrasion mining environments, significantly extending your equipment's uptime. Key Highlights: • Perfect Compatibility: Tailored for Komatsu D155, D155A-1, D155A-2, D155A-3, D155A-5, and Shantui crawler bulldozers. • Component Full Names: Covers Track Roller, Bottom Roller, Lower Roller, and Lower Roller Assembly specifications. • Premium Material: 40Mn2 original steel for high-density forging to replace standard casting. • Advanced Heat Treatment: Hardness reaches HRC 50-55 to minimize deep-wear deformation. • Precision Engineering: Japanese friction welding technology ensuring zero oil leakage and flawless structural balance. • Heavy-Load Durability: Sourced with premium domestic COB copper bushings for maximized service life. • Factory-Direct Warranty: Minimum 2000 hours guaranteed usage with a 1-year full warranty. • Reputable Background: OEM contract manufacturing experience for global industry leaders like ITR.
Heavy Duty Forged Bulldozer Track Roller / Bottom Roller for Komatsu D85 Series Upgrade your undercarriage reliability with YSM's premium 40Mn2 forged track rollers. Specifically engineered to match the extreme physical demands of Komatsu D85 and Shantui crawler bulldozers in mining and heavy earthmoving sectors, our rollers effectively eliminate premature field failures. Key Highlights: • Precision Brand Compatibility: Tailored perfectly for Komatsu D85, D85A, D85E, D85P, D85ESS, and Shantui crawler bulldozer undercarriage setups. • Component Full Names: Optimized for Bulldozer Track Roller, Bottom Roller, Lower Roller, and Lower Roller Assembly search phrases. • Superior 40Mn2 Forged Steel: Utilizes high-density original forged steel instead of low-cost casting to prevent body cracks under severe shock loads. • Depth Hardness Protection: Advanced heat treatment ensures surface and rail hardness reaches HRC 50-55 for optimal wear life. • Leak-Proof Friction Welding: Implements imported Japanese friction welding tech to achieve seamless structural balance and zero oil leakage. • High-Tier Internal Components: Sourced with heavy-load domestic COB copper bushings to sustain continuous operation. • Factory-Direct Warranty: Minimum guaranteed usage time of 2000 hours paired with a 1-year full warranty. • Reputable OEM Background: Backed by extensive contract manufacturing experience satisfying the premium quality standards of brands like ITR.
Heavy Duty Forged Bulldozer Track Roller / Bottom Roller for Caterpillar CAT D6D Looking for reliable, high-durability undercarriage replacements for your CAT D6D fleet? YSM's premium 40Mn2 forged track rollers are engineered strictly to endure high-impact mining, quarry, and heavy earthmoving operations, drastically cutting down your maintenance costs. Key Highlights: • Precision Brand Compatibility: Fully optimized for Caterpillar CAT D6D crawler bulldozers and track-type tractors. • Product Full Names Coverage: Captured for Bulldozer Track Roller, Bottom Roller, Lower Roller, and Lower Roller Assembly search intents. • 100% Forged 40Mn2 Steel: Built with premium original forged steel to ensure extreme structural density, eliminating internal porosity cracks common in cast rollers. • Depth Hardness Optimization: Specialized heat treatment achieves HRC 50-55 surface hardness for superior deep-wear resistance. • Japanese Friction Welding Tech: Implements imported friction welding machinery for flawless structural alignment and a 100% leak-proof seal. • Heavy-Load Copper Bushings: Equipped with high-tier domestic COB copper bushings to withstand relentless directional stress. • Factory-Direct Warranty: Minimum 2000 hours guaranteed runtime with a 1-year worry-free replacement warranty. • Reputable OEM Quality: Produced with contract manufacturing experience that fits strict premium benchmarks like ITR quality.
<p>If you’re still worried about the short service life of chassis, consider trying our factory’s products. Whether for mining or construction, we guarantee a minimum usage time of 2000 hours, along with one year of warranty service. This will reduce the frequency of purchasing chassis parts, saving you both time and money.<br /> We use 40Mn2 original steel for forging, which has excellent density. After heat treatment, the hardness can reach 50-55. Additionally, we employ friction welding technology imported from Japan to ensure perfect balance. Furthermore, our copper bushings are sourced from the best domestic COB copper, which, despite being slightly more expensive, offers unmatched durability. If you need rare components, simply provide us with the drawings, and we can offer customized services.</p>
Premium PC300-7 Track Roller (Bottom Roller) for Komatsu excavator undercarriage. Forged from high-density 40Mn2 steel with precision heat treatment (HRC 50-55) and Japanese friction welding technology. We guarantee a minimum 2000-hour service life and a 1-year warranty to reduce your downtime in mining and construction. Custom drawing service supported.
Premium PC300 Track Roller (Bottom Roller) for crawler excavator undercarriage parts. Forged from high-density 40Mn2 steel with professional heat treatment (HRC 50-55) and advanced Japanese friction welding technology. We guarantee a minimum 2000-hour service life and 1-year warranty to reduce your equipment downtime in mining and construction. OEM custom drawing service available
Premium PC200 Track Roller (Bottom Roller) for crawler excavator undercarriage parts. Forged from high-density 40Mn2 steel with professional heat treatment (HRC 50-55) and advanced Japanese friction welding technology. We guarantee a minimum 2000-hour service life and 1-year warranty to minimize your fleet's downtime. OEM custom drawing service supported.
Premium EX200 Track Roller (Bottom Roller) for crawler excavator undercarriage parts. Forged from high-density 40Mn2 steel with professional induction hardening (HRC 50-55) and advanced Japanese friction welding technology. We guarantee a minimum 2000-hour service life and 1-year warranty to minimize your fleet's downtime in mining or construction. OEM custom drawing service available.
<p>If you’re still worried about the short service life of chassis, consider trying our factory’s products. Whether for mining or construction, we guarantee a minimum usage time of 2000 hours, along with one year of warranty service. This will reduce the frequency of purchasing chassis parts, saving you both time and money.<br /> We use 40Mn2 original steel for forging, which has excellent density. After heat treatment, the hardness can reach 50-55. Additionally, we employ friction welding technology imported from Japan to ensure perfect balance. Furthermore, our copper bushings are sourced from the best domestic COB copper, which, despite being slightly more expensive, offers unmatched durability. If you need rare components, simply provide us with the drawings, and we can offer customized services.</p>
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Andy Shi
No.8 Binjiang Street, Binjiang Industrial Zone, Xiamei Town, Nan An City, Quanzhou City, Fujian Province, China
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