Central Mine Equipment Company

CME Truck Mounted Drills   45B 45C 55 Standard Rotary Box Rotational Speed (max) 698 rpm 698 rpm 690 rpm Rotary Torque (max) 3,337 ft lbs [4,525 Nm] 3,337 ft lbs [4,525 Nm] 7,333 ft lbs [10,484 Nm] High Torque Rotary Box Rotational Speed (max) 492 rpm 492 rpm 569 rpm Rotary Torque (max) 4,730 ft lbs [6,414 Nm] 4,730 ft lbs [6,414 Nm] 9,366 ft lbs [12,698 Nm] High Speed Rotary Box Rotational Speed (max) 760 rpm 760 rpm 787 rpm Rotary Torque (max) 3,063 ft lbs [4,153 Nm] 3,063 ft lbs [4,153 Nm] 6,766 ft lbs [9,173 Nm] Feed System Pull Down Force 13,650 lbs [6,192 kg] 13,650 lbs [6,192 kg] 18,650 lbs [8,460 kg] Retract Force 19,600 lbs [8,891 kg] 19,600 lbs [8,891 kg] 28,275 lbs [12,826 kg] Feed Rate (max) per minute 80 lbs [24 m] 80 ft [24 m] 53 ft [16 m] Retract Rate (max) per minute 55 ft [17 m] 55 ft [17 m] 35 ft [11 m]

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