77.97mm Outer Diameter Steel Sun Gear 333-2990

positive OEM
CAT
Part# 333-2990
note
Steel sun gear for torque transfer in planetary final drive systems.
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Description

The Caterpillar 77.97mm Outer Diameter Steel Sun Gear (333-2990) is a key component in planetary gear systems, transmitting torque within final drive assemblies. It functions as an internal gear element designed to mesh with planetary gears, facilitating power transfer in heavy machinery drivetrains.

Key Specifications

  • Application: Excavators, final drive planetary gear sets
  • Function: Torque transmission within planetary gear system
  • Compatibility: Cat 320D, 320D2, 323D, 323D2, 319D, 319C, 318C, 321D series
  • Construction: Steel
  • Features: External spur gear, 77.97mm outer diameter
  • Quality: OEM Cat part

Shipping Info

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More Information

Current Part# 333-2990
Type OEM
Manufacturer CAT
Warranty Standard Manufacturer Warranty