Region +44 (0) 1903 731312

Dando Terrier Rotary Rig

Perfect for work in confined spaces of difficult access, this small, incredibly versatile rotary drilling rig can be used for continuous flight & hollow stem augering, coring as well as drilling with tricones, drag bits and DTH hammers.

The crawler mounted rig is easily transportable and simple to manoeuvre through tight passages, causing very little disturbance to its surroundings- it can even fit through a standard doorway.

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ROTARY HEAD
Description Driven by a hydraulic motor fitted with a 2 speed gearbox with manual gear change. 3/4” integral side inlet air/water swivel with BW rod connection.
Motor 63, 75 or 160 cc. Other options available
Guide Ring 200 mm effective ID. Other options available
Gearbox Ratio 7:1 - 1:1
ROTARY HEAD MOTOR OPTION 1 *
Motor 63 cc
High Range Max Torque: 140 nm/ 103 ft-lb; Max Spindle Speed: 600 rpm
Low Range Max Torque: 980 nm/ 723 ft-lb; Max Spindle Speed: 85 rpm
ROTARY HEAD MOTOR OPTION 2 *
Motor 75 cc
High Range Max Torque: 180 nm/ 133 ft-lb; Max Spindle Speed: 470 rpm
Low Range Max Torque: 1260 nm/ 929 ft-lb; Max Spindle Speed: 70 rpm
ROTARY HEAD MOTOR OPTION 3 *
Motor 150 cc
High Range Max Torque: 320 nm/ 236 ft-lb; Max Spindle Speed: 250 rpm
Low Range Max Torque: 2240 nm/ 1652 ft-lb; Max Spindle Speed: 35 rpm
FEED AND HOIST SYSTEM
Description Provided by a single double-acting ram transmitting adjustable hydraulic load to the rotary head.
Head Travel Speed Up 11.5 m/min (37.7 ft/min)
Head Travel Speed Down 16 m/min (52.5 ft/min)
Pullback 5000 kgf (11023 lbf)
Pulldown 500 kgf (1102 lbf)
Working Stroke 2.2 m to accommodate 1.5 m effective length drill rods
Drilling Inclination 45° to 90° (Optional)
SAFETY FEATURES
Features 2 emergency stop buttons
Hydraulic system protection via relief valves
Safety cage
  • Chalwyn Valve and Spark Arrestor
  • Wireless Remote for Tracking
  • Casing Extractor
  • Angle Drilling to 45 Degrees

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