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BORED PILES » HR 260

Main specs overview

  • Model name
  • HR 260
  • Category
  • BORED PILES
  • Max torque
    (KNm)
  • 260
  • Max Diameter
    (mm)
  • 2600
  • Max Depth
    (m)
  • 80
  • Weight
    (ton)
  • 75

More details

Description

The HR 260 is a self erecting, 75 ton drilling rig particularly suitable for drilling great diameters using the kelly bar system and with casing tubes directly with the rotary.  The HR 260 is able to perform the following applications:
- Drilling large diameters and great depths with augers or buckets 
- Execution of direct rotary drilling with casings and casing oscillator
- Continuous Flight Auger (CFA) & Diaphragm Walls
- Execution of Double Head drilling
The HR 260 is available in the following two versions:
HR 260 CP –  the standard version, is equipped with a Pull-down Cylinder which exerts it’s force on the rotary, and is principally utilized for drilling large diameter bore holes.  The rotary is able to work with a stroke of 6.100 mm (20 ft) approx. The HR 260 CP uses a parallelogram system of articulation guaranteeing a notable range or motion 1.000 mm (3.3 ft).
HR 260 THD – available upon request, The THD system moves the rotary by utilizing a crowd winch, allowing the rotary to be used along a larger stroke of the mast, 10 m (33 ft) approx.  The THD version is particularly useful for driving and extracting casing tubes directly by the rotary, and without a doubt increasing your daily productivity.

Technical data

Rotary
Nominal torque 260 KNm 192,000 lbsft
Nominal Pull-Back (CP version) 200 - 280 KN 45,000 - 63,000 lbs
Nominal Pull-Back (THD version) 200 - 200 KN 45,000 - 45,000 lbs
Unloading speed 140 rpm
Stroke 6.100 mm (CP version) 10.000 mm (THD version) 20 ft (CP version) 33 ft(THD versione)
Winches
Main Winch Nominal Pullback 240 - 260* KN 54,000 - 58.500* lbs
Secondary Winch Nominal Pullback 80 - 120 - 180 KN 18,000 - 27,000 - 40,500 lbs
Engine
Brand CATERPILLAR
Model C13
Power 328 KW @ 2.100 rpm 440 HP @ 2,100 rpm
Hydraulic System
Hydraulic Oil tank 800 liters 211 gal
Fuel tank 430 liters 114 gal
Crawler
Length 5.450 mm 17.9 ft
Width 3.000 - 4.300 mm 10 - 14 ft
Shoes 900 mm 3 ft
Weight
Approx weight 75 ton 165,000 lbs

Working characteristics

Works with Augers & Buckets
Max Diameter 2.600 mm 8.5 ft
Max Diameter with Casings 2.300 mm (CP version) 2.000 mm (THD version) 7.5 ft (CP version) 6.5 ft (THD version)
Depths 40 - 50 - 60 - 80* m 131 - 164 - 197 - 263* ft
Works with Casing Oscillator
Max Diameter 1.600 mm 5.2 ft

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