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Shiyan Mingqi Industry and Trade Co., Ltd
CN
Compatible with Cummins QSB6.7 Engine — Crankshaft Damper Assembly for XCMG & Liugong Excavators (Part No. C5307831)
This high-performance crankshaft damper assembly is specifically engineered for seamless integration with Cummins QSB6.7 diesel engines—delivering optimal torsional vibration control, enhanced engine stability, and extended component life under demanding operational conditions. It is fully compatible with a wide range of heavy-duty construction equipment, including XCMG hydraulic excavators (such as the EC460D, EC550D, and EX900 series) and Liugong excavators (including models like the LW900KN, LW1000KN, and LG976L), ensuring precise fitment, reliable performance, and OEM-level functionality. Manufactured to strict dimensional tolerances and material specifications, this damper features a robust elastomeric bonded hub design that effectively absorbs harmonic vibrations across the engine’s operating RPM range. Its part number is C5307831, and it meets or exceeds original Cummins engineering standards for durability, thermal resistance, and dynamic balance—making it an ideal replacement 

This crankshaft damper assembly, compatible with Cummins QSB6.7 engines, fits XCMG and Liugong excavators and carries part number C5307831.





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Contact: Han Tao
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