Caterpillar 082-3085 Swing Drive Planetary Gear Washer

This swing drive planetary gear washer functions as a precision spacer within the planetary gear system of the swing drive. It maintains accurate clearance between rotating components, minimizing friction and wear during operation. The component features 73 teeth, 370 mm outer diameter, 101 mm height, and 16 bolt holes for secure mounting. Engineered for high-load rotational applications in hydraulic excavator swing systems. Constructed from heat-treated alloy steel for durability and wear resistance. Direct replacement for Caterpillar OEM part numbers 082-3085 and 326-3709. Compatible with Caterpillar E200B, EL200B, 320, 320B, and 200B excavator models equipped with Caterpillar 3066 or Mitsubishi S6K engines.