2276108 Shaft-Pinion Fits Caterpillar Models
2276108 Shaft-Pinion Fits Caterpillar Models
Couldn't load pickup availability
One New Aftermarket Replacement Shaft-Pinion for Caterpillar (Cat) Excavators
This aftermarket replacement pinion shaft is a key component of the swing drive system on Caterpillar excavators. It transmits power from the swing motor to the swing gear, enabling smooth rotation of the upper structure for digging, lifting, and material handling operations. The shaft features 42 external teeth on the drive end and 12 external teeth on the pinion gear, matching original Caterpillar specifications.
Specifications
- External Teeth (drive): 42
- External Teeth (pinion): 12
- Part Type: Swing Drive Pinion Shaft
- Application: Swing reduction gearbox assembly
Compatible Models
Caterpillar: Please verify specific model compatibility using your machine serial number and the OEM part number 227-6108 before ordering. This shaft fits Caterpillar excavator swing drive assemblies using this pinion configuration.
Replaces Part Number(s):
2276108, 227-6108
New aftermarket replacement part - not remanufactured, not used.



