56.31mm Outer Diameter Steel Sun Gear 333-2989

positive OEM
CAT
Part# 333-2989
note
Steel sun gear for torque transfer in final drive planetary gear sets.
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Description

The Cat 56.31mm Outer Diameter Steel Sun Gear (333-2989) is a component used within planetary gear sets of final drives. It transmits torque through the gear train, enabling power transfer in heavy machinery drivetrains. This sun gear is engineered for integration in final drive assemblies to support rotational motion and load distribution.

Key Specifications

  • Application: Excavators
  • Function: Torque transmission in planetary gear sets
  • Compatibility: 320D, 319D, 323D, 320D2, 323D2, 321D series
  • Construction: Alloy steel, low alloy steel
  • Features: 56.31mm outer diameter, 14 external spline teeth, 12 spur gear teeth
  • Quality: OEM Cat part

Shipping Info

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More Information

Current Part# 333-2989
Type OEM
Manufacturer CAT
Warranty Standard Manufacturer Warranty