On The CoverJohn Deere makes the GradeCharles FairbairnMarch 1, 2014May 23, 2016 by Charles FairbairnMarch 1, 2014May 23, 2016 Even before Sam Pemberton’s new full-featured John Deere 670 Grade Pro (GP) motor grader arrived at his company’s Hamilton yard, it had already created
