Demag
Silent block for Demag AC80-1
This silent block is designed for the Demag AC80-1 crane to isolate components and manage mechanical movement. It serves as a vibration dampener between machine assemblies.
Parts diagram
Compatible models
Specifications
- Part number
- 621 029 40
- Brand
- Demag
The silent block, also referred to as a rubber-to-metal mount, functions as a dampening interface within the Demag AC80-1 crane. It is installed to absorb vibrations and isolate mechanical noise, while also compensating for minor misalignments between connected machine parts. By providing a flexible connection, this component helps to decouple specific assemblies from the main structure of the crane.
This part is compatible with the Demag AC80-1 model. It is engineered to perform as a buffer in strategic locations, such as mounting points for the engine, transmission, or hydraulic systems. The component consists of a metal housing bonded to a rubber element, which allows for controlled movement and energy absorption during operation.
Silent blocks are used in heavy machinery to prevent the transfer of oscillations from moving parts to the chassis or the operator cabin. By mitigating these forces, the mount reduces the mechanical stress experienced by sensitive electronic and structural components throughout the crane.

