Demag
Left marker board for Demag AC80-1
This left marker board is designed for the Demag AC80-1 crane. It provides necessary visual signaling and safety information to operators and maintenance personnel.
Parts diagram
Compatible models
Specifications
- Part number
- 551 055 40
- Brand
- Demag
The left marker board serves as an information panel mounted on the side of the crane. It displays visual signals, safety warnings, and operational instructions to ensure that personnel on the job site are aware of critical equipment data. By maintaining clear and legible signage, this component assists in the safe operation and identification of the machine.
This part 551 055 40 is specifically engineered for the Demag AC80-1 model. It is designed to be mounted on the left side of the crane chassis or superstructure to provide the intended visual communication. The surface is configured to maintain visibility of the printed graphics and text under standard operating conditions.
Marker boards and signage panels are used on heavy machinery to communicate operational limits, safety protocols, and identification details. These panels ensure that essential information remains accessible to the operator and ground crew during daily tasks and maintenance procedures.

