Grade Drilling System consists of the Ditch Witch 86BG grade beacon and includes transition subs and bits designed specifically for on-grade drilling. Specialized tooling is available for both standard Jet Trac units as well as the All-Terrain models. TMS Plus planning and mapping software also has functionality for planning on-grade jobs. The beacon's high-resolution pitch displays 0.1-percent increments to 45 degrees and 1-percent from 45 to 100 degrees. Estimated price: $5,000 to $8,000.
