Safety pin for Demag AC80-1

The safety pin 551 637 40 serves as a locking mechanism within the Demag AC80-1 crane. It is used to secure structural connections, such as those found at boom articulation points, counterweight assemblies, or outrigger systems, ensuring that components remain fixed in their intended positions during operation. By preventing the unintended movement or disconnection of parts, this component maintains the structural integrity of the crane assembly.

This pin is compatible with the Demag AC80-1 model. Safety pins of this type function as secondary locking devices in heavy machinery, providing a mechanical backup to primary fasteners to ensure that pins and pivot points remain properly seated under load. They are commonly used in systems where vibration or dynamic forces could otherwise lead to the loosening of critical hardware.