DD-440T Maxi Rig Horizontal Directional Drill

The DD-440T is a surface launched, fluid assisted, mechanical directional drilling system thatis becoming widely recognized by customers, as the essential track mounted HDD unit that combines optimum mid-size power with jobsite mobility. In today”s competitive underground technology marketplace the DD-440T has the distinction of being the only track mounted directional drill that offers the highest range of thrust/pullback power. 

Features and Benefits




  • Caterpillar® Tier III C-15 540 HP diesel engine
  • 440,000 lbs (200 Tonnes) of Maximum Thrust/Pullback
  • Track Mounted, Undercarriage Travel Assembly  
  • (3) Pinion and Gear Rotary Drive
  • 60,000 ft-lb (80,000 Nm) of Maximum Torque  
  • Triple Jaw Wrenches with 12″ (305 mm) Seperation  
  • 10°- 18° drill entry angle
  • Accommodates Range II 34 ft (10.4m) Drill Pipe 
  • 4(102 mm) Fluid Course
  • 1,000 U.S. Gallons (3,785 L)/per minute Mud Flow Rate
  • Wiggle Steer
  • Quiet Pak noise reduction system


Optional Drillers Cabin and Tooling Accessories available