Operations at Kubota Manufacturing of America Corp. off Ga. 365 in northeast Hall County are fully underway, and it’s been a long time coming. “Eighteen months since we broke ground,” Phil Sutton, the plant’s chief administrative officer, said Tuesday. Kubota showed off the utility vehicle manufacturing facility Monday in a ceremony featuring state and local dignitaries, as well as Masatoshi Kimata, president and representative director of the Kubota Group.