The upgraded JT21 offers “up to 40% more downhole horsepower than its predecessor," the JT20, and a 215-fpm carriage speed.
The JT21 Ditch Witch directional drill replaces the JT20. The upgraded hydraulic directional drill (HDD) has 40% more downhole horsepower and 35% faster carriage speed. A new design and lower center ...
Tools in its underground equipment cache include a Ditch Witch JT921 horizontal directional ... between open-cut trenching and horizontal directional drilling (HDD) has begun to evaporate.