Newly introduced HT220 is Ditch Witch’s largest trencher, a hydrostatic unit with 220 hp for digging in rock and dirt. It will trench from 12 to 24 inches wide and from 4 to 8 feet deep. Exclusive flywheel gearbox delivers horsepower to the attachment on demand, the company says, whicl protecting the hydraulic system from shock. Trencher stabilizers reduce operator vibration. Integrated, reversible spoils conveyor deposits soils on either side of the trench.