What does the term "digging radius" refer to?

The term "digging radius" refers specifically to the distance from the pivot point of the excavator's arm to the farthest point of the bucket. This measurement is crucial for operators as it determines how far the excavator can reach horizontally while digging. Understanding the digging radius is essential for effective operation, as it influences the ability to access a work area without repositioning the machine frequently.

While options such as the distance an excavator can dig in one cycle, or the maximum depth it can reach, pertain to various capabilities of the excavator, they do not define the digging radius itself. Similarly, the height of the excavator bucket from the ground does not encapsulate the concept of digging radius, as it focuses on vertical measurements rather than the horizontal reach of the equipment. Thus, the correct definition aligns precisely with the defined relationship between the pivot point and the bucket's reach, highlighting the importance of this aspect in excavator operations.