Equipment Spotlight: HDD Rigs

September 2010 Vol. 65 No. 9
Ditch Witch's JT100 All Terrain rig.

Astec Underground
The Astec EarthPro Series DD4045 provides 40,000 pounds of thrust/pullback force with the capability of up to 4,500 foot-pounds of rotary torque. The maximum rotary speed can reach up to 200 rpm. The drill weighs 20,000 pounds, and is 257 inches long by 83 inches wide at the tracks. The drill is powered by an 148-hp Cummins turbocharged diesel engine. It also has an onboard Triplex mud pump that can produce up to 70 gpm at up to 1,300 psi. This drill also boasts the field-proven Quad rack-and-pinion carriage drive. The floating carriage is capable of two speeds, including a 150 feet/minute fast mode for adding and removing rods. 800.527.6020,

Universal HDD
Universal HDD.jpg
The UNI 100x120 rig was specifically developed for min-level and long range construction applications. It has a 275-hp turbo diesel John Deere engine, 100,000 pounds of thrust/pullback and 12,000-6,000 foot/pounds of rotation torque and 160-80 rpm of rotation speed. Key features include double rack and pinion, automatic rod-loader, enclosed climate-controlled cabin, on-board crane, complete video monitoring of working cycle. 847.955.0050,