REL Drilling Solutions

C750 Designed for peak productivity

c750 - Rotary Hole Drills

The REL C750 Rotary Blast Hole Drill Machines is designed to drill holes ranging from 9 inches (229mm) to 11 inches (279mm). Our Blast hole drill is available in both Electric and Diesel Variants with two mast Options. The standard mast with a maximum single pass depth of 35 Feet and multipass depth of 175 Feet. The REL Super Maxx Mast with Maximum single pass depth of 55 Feet and Multipass depth of 220 Feet

  • C750 Blast Hole Drills journey began in 1982, and has ever since been the performer in Coal Overburden and Metal Mines
  • Designed to withstand the elements and rigors of any mining application, built for maximum strength REL C750 mainframe, crawler frame, and mast structure stand up to hard rock mine conditions
  • Rugged crawlers and powerful hydraulic propel drives deliver manoeuvrability, gradeability and fast set up.
  • Angle hole drilling from 0 to 30 Degrees in steps of 5 Degrees
  • The REL C750 is available with three Autonomous Package I. Basic One touch II. Fully Autonomous III. Remotely Operated Fully Autonomous Packages
  • Drills operate reliably in some of the coldest environments on the planet. The drills are equipped with the necessary heaters and insulation to protect the operator and drill from temperatures that reach -40°C
Drilling Diameter 6-3/4 to 11 inch 171 to 279 mm
Pipe Size 5, 6-1/4, 7, 8-5/8 inch 127, 159, 178, 219 mm
Single Pass depth
Tall Mast 37 ft 11.2 m
REL Super Maxx Drill Mast 55 ft 16.7 m
Multi Pass depth
Tall Mast (Four pod) 195 ft 59.4 m
REL Super Maxx (Three pod) 220 ft 67 m
Compressor 1600 cfm – 100 psi 42.4 m3/min – 7 bar
1900 cfm – 100 psi 53.8 m3/min – 7 bar
Pull Down Capacity 70000 lbs 31760 Kg
Pull Up Capacity 33000 lbs 14970 Kg
Max Bit Load 75000 lbs 34030 Kg
Feed Rate Rapid 75 ft/min 22.8 m/min
Rotary Torque 108000 in-lbs 12202 Nm
Rotary Speed 0-150 RPM
Engine CAT 630 HP 470 kW
800 HP 597 kW
Undercarriage Triple Grouser with 750mm width & sufficient rollers
Ground Bearing pressure 14.35 psi 102.4 kPa
Speed in slope / Plain 0.9 / 1.86 mph 1.5 / 3.0 km/hr
Weight Estimated 165300 lbs 75000 Kg


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