Apr 19, 2021 Using GNSS positioning technology, SmartGrade accurately guides the horizontal and vertical position of the boom and bucket to a precise 3D design target. John Deere John Deere has chosen two of its most popular excavator models – the 210G and 350G – to receive its top-of-the-line SmartGrade technology option, expanding the range of grade-control choices for contractors. "These models are popular in underground and site development applications, and this precision technology provides the most value for customers in these segments," says Justin Steger, solutions marketing manager, Deere. Using GNSS positioning technology, SmartGrade accurately guides the horizontal and vertical position of the boom and bucket to a precise 3D design target. Operators can then concentrate on controlling the arm while the system raises and lowers the boom to maintain grade, Deere says.