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DTH with Mud Rotary
Dual-purpose DTH and mud-rotary drilling rig.
Crawler-mounted rig that operates as a Down-the-Hole drill for rock and a mud-rotary drill for water-well work - combined in one chassis. 3″–8″ borehole to 150 m depth. Powered by a 180HP deck engine.
- Max Depth
- 150m
- Hole Diameter (min)
- 76mm
- Hole Diameter (max)
- 203mm
- Max Pull-up
- 12750kgf
- Platform
- crawler
Full spec sheet
01
Application
- Type
- Combined DTH and mud-rotary
- Hole diameter
- 3″ to 8″ borehole
- Max drilling depth
- 150 m
02
Prime mover
- Chassis
- Crawler-mounted; deck engine 180 HP @ 2,400 RPM
- Max engine torque
- 660 N·m @ 1,200–1,900 RPM
- PTO
- PTO gear coupled with engine
- Fuel tank capacity
- 190 L
- Travel speed
- 2.5 km/hr
03
Mast & feed
- Mast
- Standard box-type structureHeight 3.585 mDrill rod length 2 m
- Drill rod diameter
- 90–115 mm
- Feed system
- Hydraulic cylinder driven steel rope and chain
- Max pull-up force
- 12,750 kgf (125 kN)
- Max pull-up speed
- 32 m/min
- Max pull-down force
- 8,200 kgf (80 kN)
- Max pull-down speed
- 50 m/min
04
Rotary head
- Configuration
- Hydraulic orbit motor
- Max torque
- 3.8 kN·m
- Max rotation speed
- 160 RPM
- Head travel length
- 2.5 m
05
Rod handling
- Rod breakout
- Hydraulic single-cylinder braking system
06
Hydraulics
- Main pump flow
- 190 LPM @ 1,700 RPM
- Max system pressure
- 200 kgf/cm² (2,850 psi)
- Pilot circuit pressure
- 25 kgf/cm² (360 psi)
- Hydraulic tank volume
- 550 L (145 gallons)
- Hydraulic oil cooler
- 120 LPM fin-type with hydraulic fan
07
Water & dust suppression
- Water pump
- Triplex reciprocating pump (P36)
- Mud pump
- Hydraulic-driven centrifugal pump
08
Safety & stabilisation
- Stabiliser jacks
- Four hydraulic jacks, box-type guide
09
Dimensions & weight
- Length
- 4.44 m
- Width
- 2.194 m
- Height
- 2.65 m
- Total weight
- 7,260 kg
Custom build, parts, or service for the DTH with Mud Rotary?
Our team is the team that built the rig. Send a note with your application and we'll route it to engineering.