102-8151 Premium Forged Excavator Front Idler Group for Caterpillar CAT 320 Series Maximize your excavator's undercarriage life with YSM's 100% premium forged track guide wheel assemblies. Precision-engineered for the CAT 320 series, our front idlers provide superior core density and extended wear resistance to drastically reduce your job-site downtime and operating costs. Key Highlights: • Extensive Brand Compatibility: Perfect fit for Caterpillar CAT 320, 320B, 320C, 320D, 320E, 320F, and 320G series crawler excavators. • Interchangeable OEM Numbers: Direct lookup replacement for 102-8151, 1028151, 179-3032, and 222-3054. • Component Full Names: Optimized for Excavator Front Idler, Track Idler Group, and Front Guide Wheel Assembly. • Advanced Manufacturing Process: 100% advanced forging with premium alloy steel (quenched and tempered) for a non-porous, high-density structure. • Superior Induction Hardening: Rail surface hardness reaches HRC 50-56 to guarantee reliable deep-wear resistance. • Extended Service Life: Delivers an average of 6 months longer runtime compared to standard low-cost cast idlers. • Strict Quality Assurance: Every single front guide wheel undergoes rigorous ultrasonic flaw detection before shipment.

7G4918 Premium Forged Front Idler Group for Caterpillar CAT D9N / D9R Bulldozers Reduce your fleet's maintenance downtime with YSM's 100% advanced forged front guide wheel assemblies. Specifically engineered for CAT D9N and D9R track-type tractors operating in extreme mining and quarry environments, our idlers offer superior impact resistance and extended wear life. Key Highlights: • Precision Compatibility: Tailored perfectly for Caterpillar CAT D9N and D9R crawler bulldozer undercarriage parts. • Product Full Names Coverage: Fully optimized for Front Idler Group, Track Idler, Idler Assembly, and Bulldozer Guide Wheel. • 100% Advanced Forged Process: Ensures a completely pore-free surface and high-density core hardness to resist heavy mining loads. • 6-Month Lifespan Extension: Proven to last approximately 6 months longer than traditional standard cast idlers. • OEM Alignment & ITR Quality: Manufactured to strict international dimensional tolerances, matching premium ITR quality standards. • Factory-Direct Procurement: Sourced directly from our China plant, minimizing middleman costs for global distributors and fleet operators.

103-0109 Premium Forged Front Idler Group for Caterpillar CAT D8N / D8R Bulldozers Eliminate premature undercarriage failure with YSM's 100% forged front guide wheel assemblies. Engineered as a direct-fit replacement for CAT D8N and D8R tracked tractors, our idlers deliver exceptional resistance to harsh mining impacts while maximizing your fleet's uptime. Key Highlights: • Exact Compatibility: Direct replacement for Caterpillar CAT D8N and D8R heavy bulldozer undercarriage parts. • Complete Components Coverage: Covers Front Idler Group, Track Idler, Idler Assembly, and Bulldozer Guide Wheel specifications. • Advanced 100% Forging Process: Features a non-porous surface and significantly higher core density compared to standard cast idlers. • Extended Lifespan: Average service life is extended by over 6 months under severe high-impact mining conditions. • OEM Global Standards: Strictly adheres to world-class dimensional accuracy; perfectly fits ITR quality and aftermarket requirements. • Factory-Direct Savings: Shipped directly from our China plant to reduce procurement and maintenance costs for global fleet operations.

Our idler uses the forging process, which has higher strength and durability, capable of withstanding heavy loads, vibrations, and impacts.

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AW-18202131004