If a standard excavator has lost swing torque and swing speed, a worn CAT 307E 307E2 308E2 Swing Motor is the most common cause. The reduction gear set is the highest load point in the swing circuit, so any slack in the bearings shows up immediately as noise, heat and lost speed. RITO keeps this CAT 307E 307E2 308E2 Swing Motor in stock as a sealed, pre-assembled replacement.
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