Rising oil temperature, metal particles in the travel housing oil or a machine that creeps and then stops are classic symptoms of a tired DH300-7 Travel Reduction Gearbox. Once the bearing preload is lost the gear mesh runs out of alignment and wear accelerates quickly. RITO supplies this DH300-7 Travel Reduction Gearbox as a complete unit for standard excavators, returning tractive effort and travel speed to specification.
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