Rising oil temperature, metal particles in the travel housing oil or a machine that creeps and then stops are classic symptoms of a tired R300-9R320-9R330-9 Travel Reduction Gearbox. Once the bearing preload is lost the gear mesh runs out of alignment and wear accelerates quickly. RITO supplies this R300-9R320-9R330-9 Travel Reduction Gearbox as a complete unit for standard excavators, returning tractive effort and travel speed to specification.
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