Ditch Witch has upgraded the JT100 and JT100 All-Terrain horizontal directional drills to 260 hp Cummins engines. New engines comply with Tier 4 emission standards and give the JT100 100,000 pounds of pullback and 12,000 ft-lbs of torque. Other improvements include tinted cab windows and a full-color LCD display for information on engine diagnostics and machine performance. 800/654-6481; www.ditchwitch.com.