DD1100 - Maxi-Rig Directional Drill
The DD-1100 is a surface launched, fluid assisted, mechanical horizontal directional drilling system with a tri-axle suspension mounted thrust frame. No large utility construction or pipeline project is complete without this premier piece of field proven directional drilling equipment
• Caterpillar® 700 HP (522 kW) C-18 Tier III Diesel Engine 
• 1,100,000 lbs. (500 Tonnes) of Maximum Thrust/Pullback Power
• 100,000 ft-lbs. (136,000 Nm) of Maximum Rotary Torque
• Rack & Pinion 4 Pinion Drive with Adjustable Force Limiter
• Wrench Travels Full Length of Thrust Frame
• Hydraulically Operated Pipe Supports
• 4 in. (102 mm) Fluid Course permits 1,000 U.S. Gallons (3,785 L)/per minute flow
• Accommodates Range II Drill Pipe  
• 10° - 18° Variable Drilling Angle
• Floating Spindle™ Allows Simple Makeup and Breakout
• Dedicated Pumps for Rotary and Thrust
• Adjustable Torque Limiter for Rotary and Makeup Force
• Run-On-One-Technology-System (ROOTS) capable