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CME-55LC Brochure	CME Product Catalog

Hydraulic rod holder and breakout wrench^†

The hydraulic rod holder makes your job quicker and safer. It not only pivots from on-hole to off-hole positions, but also hydraulically moves in and out. For efficient operation, the breakout wrench is mounted at the pivot point of the rod holder arm.

Automatic SPT hammer^†

Our 140 pound (63.5 kg) automatic hammer gives you extremely consistent and accurate Standard Penetration Test (SPT) results, meeting all ASTM-D-1586 requirements. That’s because there are no ropes or cables to impede the free fall of the weight. The hammer swings from stored position to on-hole position. Since raising and lowering is done hydraulically, set up is quick and almost effortless. A secondary lifting cylinder enables normal automatic hammer SPT procedures under 12 feet (3.6 m) of overhead clearance. For maximum safety, all moving parts are enclosed, including the impact area between the weight and the anvil. Other hammer systems are available including 170 pound (77 kg), 300 pound (136 kg), and 340 pound (154 kg).

Cone Penetrometer Testing (CPT)

CPT controls allow you to easily switch from typical geotechnical drilling and sampling procedures to pushing a cone. A dedicated hydraulic circuit including detented CPT control lever, hydraulic down feed pressure and CPT feed rate controls provide precise pressure and penetration adjustments required to meet ASTM standards. A separate CPT system hydraulic pressure gauge is provided as well. Anchor points are installed below the drill feed frame so that maximum available pressure can be applied to the CPT tools. A 12-volt power source can be provided at the drill control panel to accommodate electronic devices associated with CPT procedures. Mounting for depth transducers or other related equipment can also be provided.

Additional optional equipment

• Two-speed track drive
• 10 foot (3 m) rod storage
• Additional tool boxes, work table, pipe vise
• Utility air tools system
• Spindle adaptor
• Stabilized water swivel
• Probe hammer
• Water tank
• Mast 22 foot (6.7 m) from base of frame to sheaves
• Cathead
• Hydraulic hoist
  • 2,200 pound (998 kg)
  • 4,000 pound (1,814 kg)
  • 8,500 pound (3,856 kg)
• Hydraulic wireline hoist
  • 2,200 pound (998 kg), max line speed 200 ft/min (61 m/min)
  • 1,100 pound (499 kg), max line speed 400 ft/min (122 m/min)
• Water pumps
  • Moyno 3L6 - 36 gpm/225 psi (136 lpm/1,551 kPa)
  • Moyno 3L8 - 84 gpm/225 psi (318 lpm/1,551 kPa)
  • Bean L09 (420) - 25 gpm/500 psi (95 lpm/3,448 kPa)
  • Bean L1122 (435) - 40 gpm/500 psi (152 lpm/3,448 kPa)
  • Other pumps available

† Patented by Central Mine Equipment Company

55LC/300 Features  |  55LC/300 Specifications  |  55LC/300 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.