Long Reach

The LR125


Standard Chassis: CAT 336 Next Gen  
Installed Power: 314 hp 234 kW
Maximum Torque: 101,400 ft.lbs 14,060 kg.m
Maximum Diameter: 12 ft 3,650 mm
Std. Depth(Interlocking Kelly): 55 ft 16,764 mm
Crowd Force: 44,500 lbf 20,230 kgf
Crowd Cylinder Stroke: 9 ft 2,750 mm
Main Winch Line Pull 41,270 lbf 18,760 kgf
Minimum Transport Weight 83,000 lb 37,650 kg
Operation Weight 115,000 lb 52,270 kg
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About the LR125

The LR125 is a lighter version of the LR160, and it is also mounted on a CAT 336 Next Gen with lighter tracks. It  has a special designed boom with 2 lift cylinders which allows for a higher torque and crowd force to be applied to the tool, which aligned with  interlocking Kelly bars makes it efficient on rock and hard soil drilling. Round Friction bars are also available for high production on softer soils. The long reach configuration makes it ideal to applications such as sound bearing walls, transmission lines and utilities, drilling on a steep slopes, and difficult to reach holes.
  • The new Cat 336 Next Gen powered by a fuel efficient Tier 4 Final C9.1 ACERT engine.
  • Equipped with CAT Vision Link that allows management to monitor machine operations and maintenance data online.
  • Caterpillar variable undercarriage VH4600/4450/720. 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.
  • 2 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.

Technical Drawings


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

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