CME-850X Track
Drill Specifications

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CME-850X Brochure      CME Product Catalog

Engine

• Cummins QSB 6.7L (408 cubic inch) 6 cylinder turbocharged and charge air cooled diesel engine. U.S. EPA Tier-4 final emissions certified diesel engine with cold weather starting aid and engine protection shutdown systems.
  • Rated Horsepower
    • Driving: 195 horsepower (145 kilowatt) @ 2,300 rpm
    • Drilling: 117 horsepower (87 kilowatt) @ 2,300 rpm

Carrier

• Tracks
  • 33 in (84 cm) wide
  • Heavy-duty rubber belts with drop center steel grousers
• Tractive force
  • 53,275 lbs. (24,165 kg)
• Avg. ground bearing pressure
  • 2.9 psi (.204 kg/cm²)
• Zero turn radius

• Track drive
  • Hydrostatic closed-loop transmissions consisting of variable displacement piston pump, two-speed bent-axis piston motor, and double reduction planetary wheel drive.

• Hydraulic front winch
  • 20,000 pounds (9,072 kg) with two-speed motor
• Tool storage
  • Auger rack in front
  • Auger rack on deck, driller side
  • Rod rack on deck, helper side
  • Tool box on deck, helper side

Speed

• Low Range: 2 mph (3.2 kph)
• High Range: 5 mph (8 kph)

Gradeability

• Straight ahead climb
  • 60% grade
• Side-hill traverse
  • 40% grade

Rotary drive

• Transmission
  • 5 speed forward, 1 speed reverse
• Standard rotary drive
  • Rotary torque: 14,465 foot pounds (19,612 Nm)
  • Rotary speed: 663 rpm
• High speed rotary drive
  • Rotary torque: 11,575 foot pounds (15,694 Nm)
  • Rotary speed: 830 rpm
• Hollow spindle
  • Standard: 2-3/4 inch I.D. (7 cm)
  • Optional: 3-3/4 inch I.D. (9.5 cm)

Hydraulic feed system

• Retract force
  • 28,275 pounds (12,825 kg)
• Pulldown force
  • 18,650 pounds (8,460 kg)
• Retract rate
  • 35 feet (10.7 m) per minute
• Rapid retract rate
  • 90 feet (27 m) per minute
• Feed rate
  • 55 feet (17 m) per minute
• Stroke
  • 72 inch (183 cm)
• Mast
  • 26 feet (7.9 m) from ground to sheaves

Leveling system

• Three jacks, inverted design with chrome-plated piston rods enclosed at all times.
  • Stroke: 36 inch (91.4 cm)

850X Features  |  850X Specifications  |  850X Optional Equipment

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.