Drives pneumatic tired tractor...
Drives pneumatic-tired tractor and controls grading or digging attachments to move and level materials, such as dirt and gravel, for construction of driveways, parking lots, and streets: Moves levers to engage gears to raise and lower attachment. Adjusts and controls bulldozer attachment to level earth to specified depth. Pulls grader attachment over cutout to trim edges, level surface, and spread rock. Controls back-hoe, trench-digging attachment, or lift-scoop attachment to dig and backfill trenches.