A standard excavator that swings or travels slowly, whines under load or leaks oil from the travel reduction hub is usually telling you the ZX450 ZX470 Travel Reduction Gearbox has reached the end of its service life. Worn planet gears, a scored ring gear and a failed bearing set all waste torque before it reaches the track or the upper structure. RITO supplies this ZX450 ZX470 Travel Reduction Gearbox as a ready-to-fit assembly, so the machine is back to full tractive effort and travel speed without a rebuild.
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