DNI EX 40

Why choose us?

DNI EX 40

DNI offers the EX 40 Blast Hole Drilling Rig, which is capable of drilling hole diameters of 4.5”-6.5” (continuous), 9”, 10”, and 12” (overburden) to a bore depth of up to 30 meters. The DNI EX 40 maintains a high level of productivity even under the toughest conditions. Its advanced hydraulics system provides precise control for boom and feed positioning, rotation, feed, and tramming, ensuring superior performance. Optional attachments include a shock sub, stem lock, digital controls, automated drilling, GPS integration, and a data logging system for enhanced functionality and efficiency.

Technical Specifications

Technical DataDescription
Air Compressor450 cfm – 150 psi or 600 cfm – 250 psi / 1200 cfm – 300 psi
Air Line Lubricator18 liters
ApplicationProduction Drilling
Break out WrenchMaximum Torque : 500 kg.m | Cylinder Bore : 80 mm | Stroke : 300 mm
Depth30 Meters to 40 Meters
FormationSoft / Hard Rock
Hole Diameter4.5″ – 6.5″(Continuous) 9″,10″ and 12″(Over burden)
Hydraulic Oil Cooler40 gpm
Hydraulic systemMaximum Working pressure 200 kg/cm2
Leveling JacksTwo Hydraulic levelling jacks
MastHydraulic cylinder with Chain & sprocket | Maximum Pull up force – 5400 kgs | Maximum Pull down force – 2500 kgs | Reeving Ratio 1:2 | Maximum Pull up speed – 25 meter / minute | Maximum Pull down speed – 30 meter / minute
Optional AttachmentsShock sub, Stem lock, Digital controls, Auto drilling, GPS system, Data logging system.
Prime MoverDiesel Engine
Rotatory HeadMax speed: 0- 100rpm | Maximum Torque: 280 kg.m
Under CarriageFor Mounting Rig & Diesel Engine
Water Injection PumpTriplex reciprocating pump powered by hydraulic motor 36 lpm