1107216 Gear Fits Caterpillar Models
1107216 Gear Fits Caterpillar Models
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One New Aftermarket Replacement Sun Gear for Caterpillar (Cat) Excavators
This sun gear (GEAR-SUN) is a precision internal component of the swing drive planetary gearbox on Caterpillar (Cat) hydraulic excavators. The sun gear sits at the center of the planetary gear set, transmitting torque from the swing motor through the planetary carrier to drive upper-structure rotation. Worn or damaged sun gears cause jerky swing operation, excessive backlash, and abnormal noise -- replacing this component restores smooth, controlled slewing performance.
Compatible Models
Caterpillar Excavators: 322 FM L, 322B L, 322B LN, 325B, 325B L, 330D FM, 345B II, 345B II MH, 345B L, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L HVG, 349E L VG, 349F L, 568 FM LL
Verify fitment by machine model and serial number before ordering.
Replaces Part Number(s):
1107216
New aftermarket replacement part - not remanufactured, not used.
