When coupling to a trailer without a 5th wheel, which additional devices are needed?

When coupling to a trailer without a 5th wheel, chains and cables are crucial for securing the connection between the tractor and the trailer. This setup is important because the 5th wheel connection typically provides stability and allows for easier maneuverability. In situations without this type of connection, chains and cables play a vital role in ensuring that the trailer remains connected to the tractor, even during sudden movements or stops.

Chains provide additional strength and security, preventing the trailer from completely separating from the tractor should the primary connection fail. Cables, often used for electrical connections or additional security, help maintain operational control for braking and signal lights on the trailer.

While other devices like straps and anchors, locking pins, and brackets and clamps may serve various purposes in different contexts, they do not specifically provide the necessary security and stability in the absence of a 5th wheel connection as chains and cables do.