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The EK125SM


Standard Chassis: CAT 323 Next Gen  
Installed Power: 164 hp 122 kW
Maximum Torque: 101,700 ft.lbs 14,000 kg.m
Maximum Diameter 8 ft 2,440 mm
Standard Drilling Depth: 55 ft 16,700 mm
Crowd Force: 43,000 lbf 19,000 kgf
Crowd Cylinder Stroke: 9 ft 2,750 mm
Main Winch Line Pull 41,000 lbf 18,600 kgf
Operation/Transport Weight 74,500 lb 33,850 kg
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About the EK125SM

The EK125SM is a cylinder crowd drilling rig mounted on a CAT323. It is a very popular model for several applications such as foundations, powerlines, utilities, landfill and Rathole. It can be easily converted from Long Mast to Short Mast. It is a one load machine, with easy set up, completely self erecting.
  • The new Cat 323 Next Gen powered by a fuel efficient Tier 4 Final C7.1 ACERT engine.
  • Equipped with CAT Vision Link that allows management to monitor machine operations and maintenance data online
  • Caterpillar variable undercarriage VH4830/3675/600. Reinforced frame H style variable undercarriage.
  • Reinforced mast, with high resistance steel Weldox 700.
Main Winch:
  • Special groove for better cable winding and longer cable life.
  • Press-roller included
  • 2 gears allows for both high speed and high pulling force.
  • Automatic gear shifting, for seamless operation, high production.
  • Automatic down the hole winch stop.
  • Free willing winch during crowd operation.
  • Hydraulic and mechanic brake.
  • Hydraulic measurement of pulling force displayed in the cabin.
  • Robust design, with 2 slewing bearings on top and bottom, robust pinion and main gear.
  • 1 group of Hydraulic Motor / Planetary Gears for high torque and long life.
  • Anti-cavitation, anti-shock and cooling system for longer hydraulic motor life.
  • Power-shift for High spin-off speed (120rpm) for quick discharge of soil.
  • 3 operation speeds and 3 spinoff speeds. For high torque and high speeds.
  • Automatic gear shifting, for seamless operation, high production.
  • Exchangeable keys, bolted. No need to rebuild keys by welding inside the rotary.
  • Hydraulic measurement of torque displayed in the cabin for the operator.
  • AM/FM Radio, Air conditioning/Heating
  • ROPS cab & Top protection
  • LCD monitor for Engine and Hydraulics computer, with diagnostic system
  • CZM Canbus System for Drilling Monitoring with auto functions.



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CZM USA is a specialized foundation equipment manufacturer headquartered in Savannah, GA.

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