This OTTO swing carrier assembly with part number XKAQ-00467 / XKAQ00467 is an OEM-grade core accessory for Hyundai excavator swing reduction systems. Integrated with a precision sun gear, this component undertakes the key power transmission task of the swing mechanism, ensuring stable and uniform rotary power output during excavator operation. It effectively solves common problems such as jitter, slow rotation and abnormal noise caused by worn swing carrier parts.