CME-55 Drill Specifications

Engine

• Cummins 4BT, 239 cubic inch [3.9 L] 4 cylinder turbocharged diesel engine.

Rotary drive

• Clutch, heavy duty
  • 13 inch [33 cm]
• Transmission
  • 4 speed forward, 1 speed reverse
• Standard Rotary Box
  • 7,733 foot pounds [10,484 Nm] max
  • 689 rpm max
• High Torque Rotary Box (optional)
  • 9,366 foot pounds [12,698 Nm] max
  • 569 rpm max
• High Speed Rotary (optional)
  • 6,766 foot pounds [9,173 Nm] max
  • up to 787 rpm max

Hydraulic feed system

• Retract force
  • 28,275 pounds [12,826 kg]
• Pulldown force
  • 18,650 pounds [8,460 kg]
• Retract rate (max)
  • 34.8 feet [10.6 m] per minute
• Feed Rate (max)
  • 52.8 feet [16.1 m] per minute
• Stroke
  • 72 inch [183 cm]

Leveling system

Three jacks, inverted design with chrome-plated piston rods enclosed at all times.

Stroke

• 36 inch [91.4 cm]