Since Gary Vermeer invented the round baler in the early 1970s, the evolution of hay baling operations has been marked by a series of refinements that have vastly increased productivity of the operation and quality of the final product.

Vermeer Corp., the company that Gary Vermeer founded, unveiled the next giant leap in haying productivity and efficiency with its development of the first-ever, self-propelled baler. But Vermeer’s ZR5 prototype baler goes beyond merely having its…