DH300-7 DX300LC Boîte de vitesses de moteur de déplacement 404-00098C Pièces de machines à excavation

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July 18, 2026
Description de la vidéo:
Take a focused look at the specifications and what they mean in practice. In this video, we examine the DH300-7 DX300LC Travel Motor Gearbox (404-00098C), breaking down its internal planetary gear system, brake mechanism, and housing design. You'll see how this critical excavator component facilitates smooth 360° rotation, learn about common operational failures like abnormal noise and oil leakage, and understand proper maintenance practices to ensure optimal performance and longevity.