Caterpillar
Coupling assembly for Caterpillar machinery
This coupling assembly connects two rotating shafts to facilitate power transmission within Caterpillar equipment. It is designed to accommodate minor angular, parallel, or axial misalignments between connected drive components.
Specifications
- Part number
- 3289100
- Brand
- Caterpillar
The 3289100 coupling assembly serves as a mechanical link between two rotating shafts, enabling the transfer of torque and rotation from one component to another. By allowing for slight misalignments between the shafts, this component helps protect connected assemblies from mechanical stress during operation.
This part is designed for use in various Caterpillar machines where reliable power transmission is required, such as in connections between engines and transmissions, drive axles, or hydraulic pump systems. It functions by maintaining a mechanical connection while absorbing the operational forces inherent in heavy machinery drive trains.
Couplings are used throughout industrial equipment to bridge the gap between power sources and driven components. They compensate for the inherent movement and thermal expansion that occurs during machine operation, ensuring that torque is transferred effectively while minimizing the impact of misalignment on bearings, seals, and other drive line components.

