Caterpillar
Brake lining for Caterpillar machinery
This brake lining is a friction component designed for use in the braking systems of Caterpillar equipment. It provides the necessary resistance against the brake drum or disc to decelerate or stop the machine during operation.
Specifications
- Part number
- 2G9911
- Brand
- Caterpillar
The 2G9911 brake lining serves as a friction element within the braking system of Caterpillar heavy machinery. Its primary function is to engage with the brake drum or disc to convert kinetic energy into thermal energy, thereby slowing or stopping the movement of the equipment. This component is integrated into either service or parking brake assemblies to maintain operational control of the machine under various load conditions.
This part is compatible with a range of Caterpillar construction and mining equipment. Brake linings are engineered to manage the heat generated during the braking process and to maintain a consistent coefficient of friction against the mating surface. Regular inspection of the lining thickness is required to ensure the braking system remains within operational tolerances and to prevent mechanical damage to the associated drums or discs.
In heavy machinery, brake linings are replaceable friction materials that wear down over time as they perform their function. Proper maintenance and timely replacement of these components are necessary to ensure the braking system functions as intended by the manufacturer.

