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Gearbox Drill Head

Rotary gearbox drill head with wet swivel

Starting at
$9,250

TMG Manufactures a line of 4 speed gearbox drill heads for geotechnical, water well, micropile and rotary drill rigs.

These rotary drilling heads can be adapted to almost all models of soil drilling machines, and feature a spring loaded floating head, 4 speeds of drilling, and a built in wet swivel system for drilling with mud or water.

From the small MS-160 head that has 1,833 rpm and 1,404 ft lbs (1,903 Nm) of torque, to the large ML-630, which reaches 468 rpm and 11,004 ft lbs (14,919 Nm) of torque, our 4-speed rotary heads Speeds are also have interchangeable couplings, for various sizes of drill rods, and an easy two hose hydraulic connection, and NO electronics. Each gearbox drill head comes with a universal adapter plate.

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Specifications

Characteristics

  • Top intake wet swivel for water or mud drilling
  • Bolt-on flange adapter for rapid change drill rod adapters
  • Spring loaded floating head for easy pipe threading
  • 4 Speeds
  • No electronics - fully mechanical gears
  • Universal blank mounting plate

Drill Motor - Rotary Gearbox MS-Series

  • MS-160: max 1833 rpm, max torque 1404 Lb ft (1903 Nm)
  • MS-200: max 1462 rpm, max torque 1761 Lb ft (2387 Nm)
  • MS-250: max 1169 rpm, max torque 2203 Lb ft (2986 Nm)
  • MS-400: max 902 rpm, max torque 2855 Lb ft (3870 Nm)
  • MS-500: max 723 rpm, max torque 4580 Lb ft (6209 Nm)
  • MS-630: max 468 rpm, max torque 5502 Lb ft (7459 Nm)

Drill Motor - Rotary Gearbox ML-Series

  • ML-160: max 1833 rpm, max torque 2809 Lb ft (3808 Nm)
  • ML-200: max 1462 rpm, max torque 3523 Lb ft (4776 Nm)
  • ML-250: max 1169 rpm, max torque 4405 Lb ft (5972 Nm)
  • ML-400: max 902 rpm, max torque 5710 Lb ft (7741 Nm)
  • ML-500: max 723 rpm, max torque 9161 Lb ft (12420 Nm)
  • ML-630: max 468 rpm, max torque 11004 Lb ft (14919 Nm)
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