Digger derricks in the 1970s were engineered with strong-box-constructed booms and dual-lift cylinders, which continued in 1980s models (like the one pictured) and continues to serve as the standard today.
Photo courtesy of Terex
Digger derricks in the 1970s were engineered with strong-box-constructed booms and dual-lift cylinders, which continued in 1980s models (like the one pictured) and continues to serve as the standard today.
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