⚙️ Function of the Part

This part:

• Is a component of the brake / clutch system inside the swing motor
• Controls and stops the rotation of the upper structure
• Specifically:
  • Keeps the upper structure fixed when the machine is stopped
  • Balances slipping and wear during rotation

🏗️ Applications (Used In)

This part is commonly used in the swing motor assembly of Hyundai excavators, for example:

• R55-7
• R60-7
• R80CR-9

📌 Summary

• XKAY-00143 = Swing motor friction plate (brake disc)
• Location: Excavator swing motor
• Function: To stop and hold the rotation of the upper structure

31M8-10150  SWING MOTOR&REDUCTION GEAR ASSY.

31M8-10152  SWING MOTOR&REDUCTION GEAR ASSY.

31M8-10130  SWING REDUCTION GEAR

31M8-10131   SWING REDUCTION GEAR

31N1-10140    SWING REDUCTION GEAR

2401-9255C   SWING REDUCTION GEAR

2101-9002    SWING MOTOR