Central Mine Equipment Company

CME Trailer Mounted Drills   45B 55 55LC Standard Rotary Box Rotational Speed (max) 698 rpm 800 rpm 800 rpm Rotary Torque (max) 3,380 ft lbs [4,597 Nm] 7,700 ft lbs [10,440 Nm] 7,700 ft lbs [10,440 Nm] High Torque Rotary Box Rotational Speed (max) 492 rpm 665 rpm 665 rpm Rotary Torque (max) 4,800 ft lbs [6,528 Nm] 9,400 ft lbs [12,744 Nm] 9,400 ft lbs [12,744 Nm] High Speed Rotary Box Rotational Speed (max) 760 rpm     Rotary Torque (max) 3,100 ft lbs [4,216 Nm]     Feed System Pull Down Force 13,650 lbs [6,192 kg] 18,650 lbs [8,460 kg] 19,750 lbs [8,958 kg] Retract Force 19,600 lbs [8,891 kg] 28,275 lbs [12,826 kg] 27,615 lbs [12,525 kg]

Performance ratings are based on engineering specifications, calculations and accepted industry standards.Capacities may vary according to drilling conditions. CME reserves the right to amend these specifications at any time, without notice. To report a problem with this page please contact our webmaster