Answer: ditcher

AnswerCrossword Clue
DITCHERExcavating machine
ditcherperson who ditches
ditcherperson who digs ditches
ditcherpower excavating machine designed to remove earth in a continuous line and to a predetermined width and depth, as by means of a rotating belt equipped with scoops
ditcherone that ditches (to dig a long, narrow excavation in the ground)