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DD-440T Maxi-Rig Directional Drills

. Posted in Maxi-Rig Directional Drills

  • The only track-mounted drill that offers the highest range of thrust/pullback power
  • 60,000 ft. lbs. (81,350 Nm) maximum rotary torque
  • Wireline commutator for speedy hookup of the wireline guidance equipment

Features And Benefits

  • Cummins Tier 4 final or Tier 2 (depending on country of purchase), 600 HP (447 kW) Diesel Engine
  • 440,000 lbs. (200 Tonnes) of Maximum Thrust/Pullback Power
  • Rack and Pinion (2) Pinion Drive with Adjustable Force Limiter
  • 3 in. (76 mm) Fluid Course
  • Accommodates Range II Drill Pipe
  • 10°- 18° Variable Drilling Angle
  • Wiggle Steer®
  • Quiet-Pak® Noise Reduction System
The Wiggle Steer® System provides the operator of a directional drill the means to rotate the drill pipe and subsequently the cutting head on the drill string back and forth over a predetermined range. This back and forth motion would cause the hole made by the cutting head to be more open in a particular direction and therefore facilitate steering of the drilling pipe in that direction under ground.

The Wiggle Steer System will rotate the Drill Pipe in the Makeup (CW) direction while thrusting forward. It will then rotate the Drill Pipe in the Breakout (CCW) direction but will not thrust in the breakout direction. This method reduces the breakout torque and should prevent the drill string tool joints from parting down-hole.

DD-440T Performance Specifications

Power Train
Engine Cummins Tier 4 final or Tier 3 (depending on country of purchase) Diesel
Rating 600 HP (441.3 kW)
Fuel Capacity 160 U.S. Gallons (605 L)
Hydraulic Capacity 200 U.S. Gallons (757 L)
Battery (2) Deka 908DMF 12 V, 1450 CCA

 

QUIET-PAK® - Noise Reduction System
Power Train Noise Rating 88 dB(A) @ 7 Meter Range

 

Carriage System
Maximum Thrust/Pullback 440,000 lbs. (200 Tonnes)
Carriage System Rack & Pinion, (2) Pinion Drive with Adjustable Force Limiter
Maximum Carriage Speed 95 ft. (29 m)/minute
Carriage Motors (2) Hydraulic 1017 cc, Variable Displacement
Carriage Gearbox (2) Planetary Drives

 

Rotary Drive
Rotary System (3) Pinion & Gear Drive with Infinitely Variable Torque
Maximum Rotary Torque 60,000 ft-lbs. (81,350 Nm) @ 0 – 25 RPM
Maximum Rotary Speed 95 RPM
Rotary Motors (3) 160cc Hydraulic Axial Piston/Variable Displacement
Rotary Brakes (2) Spring Applied/Hydraulic Release
Fluid Course 3 in. (76 mm)
Mud Flow Rate Permits up to 650 U.S. Gallons (2,460 L)/minute
Maximum Mud Pressure 1,500 psi (103 bar)
Mud Swivel Rear Mounted, 5.5 in. (140 mm) IFLH Pin

 

Wrench
Wrench Travel Wrench has full length thrust frame travel
Maximum Breakout Torque 154,000 ft-lbs. (209,500 Nm)
Maximum Makeup Torque 101,700 ft-lbs. (137,900 Nm)
Clamp/Grip Range 2 3/4 in. – 10 3/4 in. (70 – 273 mm) OD
Wrench Assembly Motor (2) Hydraulic LSHT, 12 CIR
Wrench Assembly Brake (1) Spring Applied/Hydraulic Release
Wrench Gearbox (2) SGL
Hydraulic Wrench Cylinder (6) 8 in. Bore x 3 in. Stroke (203 - 76.2 mm)

 

Drill Rig
Drill Angle 10° - 18°
Drill Pipe Range II – 34 ft. (10.4 m)

 

Safety
  • Es!Lok – Exit Side Lockout System with 1 mile (1.6 km) Range
  • Wiggle Steer®
  • Free standing operator's console with pressure gauges
  • Safety system package with ZapAlert
  • operator's manual and other unit support materials

 

Dimensions
Length 49 ft. (14.93 m)
Width 8 ft. 2 in. (2.51 m)
Height 11 ft. 8 in. (3.60 m)

 

Weights
Total Weight 100,100 lbs. (45,405 kg)
Total Weight w/o Wrench 92,300 lbs. (41,867 kg) – Wrench is Removable for Lighter Transport