What safety feature prevents the crane from lifting beyond its capacity?

An overload protection mechanism is designed to prevent a crane from lifting beyond its rated capacity by automatically disengaging or preventing operations when the weight exceeds the limit. This safety feature is critical for avoiding accidents and ensuring the structural integrity of both the crane and the load being lifted. The mechanism typically involves sensors that detect the weight of the load and relay this information to the crane's control system, which will then halt operations if an overload situation is detected.

While other options might contribute to the overall safety and efficiency of crane operations—such as a hoisting tackle providing the means to lift loads, a stabilizer system enhancing stability during operation, and a weight monitoring system offering real-time information about load weight—the specific function of preventing lifting beyond capacity is uniquely fulfilled by the overload protection mechanism. This makes it a key safety feature that directly addresses the risk of overloading.