HFGA-46 DTH Hydraulic Surface Rig

Drilling Diameter: 115-152mm
Traveling Speed:3km/h
Engine Power:264kW
Rotary Torque:4435N.m


  • 1According to the different needs of users, high-quality diesel engines of Caterpillar, Cummins, Yuchai and top-quality double-pressure screw engines with a large displacement of at least 24 bar are used.
  • 2As the user's production equipment, each structure of this series of products has been double-safety heavy-duty design and the highest-end component configuration.
  • 3A stainless steel wear-resistant sleeve is used to protect the special pressed aluminum alloy propulsion beam and high-torque rotary head, and the large-aperture operation is realized on the basis of ensuring that the drilling rig is easy and flexible to operate.



Drilling diameter φ115-152mm
DTH hammer 4"/5"
Rod change system capability
Bit storage quantity 6+1
External dia. of drill pipe 102mm
Drill pipe length 5m
Max. drilling depth 35m
Hydraulic rotary head
Rotary speed 0-105rpm
Max. torque 4,435 N.m
Engine Cummins QSL8.9
Rated power 264kw(385hp)/1,900rpm
Emission level Tier III
Fuel tank
Volume 750L
Air compressor GE
Max. Working pressure 24bar(348 psi)
Air displacement 19m3/min
Drill arm form High strength single straight arm
Push beam High-strength aluminum alloy Oil cylinder wire rope type
Total length 9,000mm
Stroke 5,600mm
Promote compensation 1,300mm
Max. Pushing speed 0.88m/s
Max. Pushing force 34.5 kN
Max. Lifting force 67.6 kN
Walking speed 3km/h
Max. Driving force 156.2kN
Climbing ability 25°
Track swing angle ±10°
Ground clearance 420mm
Transportation dimension(Option excluded)
Weight 22,000kg
Dimension(mm) 11,550x2,700x3,560


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