Deep tillage and top soil cultivation in one pass using less horsepower. H/D machine for primary tillage & maximum soil aeration. Several models. eg: Single beam, 1 Tusk Roller 1.5m 3 tynes $6,600. or HD Twin Beams, 2 Tusk Rollers, 3.5m 9 pivot tynes $32,560. All sizes in between up to 4.0m with 13 tynes. Optional seed box available to suit all sizes.