MDA Excavator Rock Drills

The MacLean MDA Excavator Rock Drills are a valuable addition to your fleet. From quarrying operations, to secondary breaking, to construction drilling the MDA drill will do it all. Mounted on a Mini-Excavator or Tractor Loader Backhoe the MDA drill is a value based unit.

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Specifications

Unit MDA-8 MDA-12
  Drill Steel Capacity   8 Foot Drill Steel
1” Hex x 4.25” Shank – R25
  12 Foot Drill Steel
1” Hex x 4.25” Shank – R25
  Drill Saddle Travel   2.3M (90”)   3.5M (138”)
  Drill Hole Diameter   33mm to 51mm (1.375 to 2”)   33mm to 51mm (1.375 to 2”)
  Drifter Make   Joy AL67   Joy AL67
  Air Requirements   225CFM @90psi   225CFM @90psi
  Hydraulic Requirements   2-4GPM @ 3600psi   2-4GPM @ 3600psi
  Electric Requirements   12v @ 2 amperes   12v @ 2 amperes
  Approx. Weight   295kgs (650lbs)   330kgs (725lbs)

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