EK300LS Cased CFA

Cased CFA

The EK300LS


Standard Chassis: Cat® 352 Next Gen  
Installed Power: 424 hp 316 kW
Casing Rotary Head Max. Torque: 155,080 ft.lbs 21,500 kg.m
Auger Rotary Head Max. Torque: 101,400 ft.lbs 14,000 kg.m
Maximum Drilling Diameter: 36 in 920 mm
Maximum Drilling Depth: 60 ft 18,200 mm
Max Extraction Force: 225,380 lbf 102,400 kgf
Standard Rotary Stroke: 61 ft 18,600 mm
Main Winch Line Pull 71,000 lbf 32,200 kgf
Minimum Transport Weight 126,000 lb 57,150 kg
Operation Weight 249,600 lb 113,216 kg
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About the EK300LS

The EK300LS is a full cable crowd drilling rig mounted on a Cat® 352. The long stroke of the rotary makes it ideal for:

  • Cased kelly bar drilling with segmented (European style) casing, specially for Secant walls.
  • Large Diameter CFA.
  • Displacement piles.
  • Cased CFA with a double rotary for Secant walls.
  • Large diameter single column Soil Mixing.
  • The new Cat® 352 powered by a fuel efficient Tier 4 Final C13 ACERT engine.
  • Equipped with Cat® Vision Link that allows management to monitor machine operations and maintenance data online.
  • Caterpillar® variable undercarriage VH5440/4900/900. Reinforced frame H style variable undercarriage.
  • Reinforced mast, with high resistance steel Weldox 900.
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.
  • Freewheeling winch during crowd operation.
  • Hydraulic and mechanical 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.
  • 3 groups 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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