Deep ripper for no tilld A new straight-leg shank model of the Zone Commander to handle deep ripping for no-till applications is available from Brillion. The implement breaks up soil compaction without disturbing the surface. It is available in three to nine shanks, which are adjustable from 30- to 24-in. spacings. Models come with double coil spring auto-reset shanks or rigid-mount shear bolt shanks. The four-shank model lists for $8,557. Contact Brillion Iron Works Inc., Dept. FIN, Box 127, Brillion, WI 54110, 800/409-9749, or circle 211.